diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
index 5140f7ca..8b00d58e 100644
--- a/.github/workflows/actions.yml
+++ b/.github/workflows/actions.yml
@@ -16,12 +16,12 @@ jobs:
     timeout-minutes: 10
     steps:
       - uses: linkerd/dev/actions/setup-tools@v41
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - run: just action-lint
 
   devcontainer-versions:
     runs-on: ubuntu-latest
     steps:
       - uses: linkerd/dev/actions/setup-tools@v41
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - run: just action-dev-check
diff --git a/.github/workflows/cni-plugin-integration.yml b/.github/workflows/cni-plugin-integration.yml
index 58a50085..ad125b75 100644
--- a/.github/workflows/cni-plugin-integration.yml
+++ b/.github/workflows/cni-plugin-integration.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: linkerd/dev/actions/setup-tools@v41
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - name: Run CNI integration tests
         run: just cni-plugin-test-integration-flannel
   cni-calico-test:
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: linkerd/dev/actions/setup-tools@v41
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - name: Run CNI integration tests
         run: just cni-plugin-test-integration-calico
   cni-cilium-test:
@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: linkerd/dev/actions/setup-tools@v41
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - name: Run CNI integration tests
         run: just cni-plugin-test-integration-cilium
   ordering-test:
@@ -43,6 +43,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: linkerd/dev/actions/setup-tools@v41
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - name: Run CNI ordering tests
         run: just cni-plugin-test-ordering
diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 411d9cd7..6976f877 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -13,20 +13,20 @@ jobs:
     runs-on: ubuntu-latest
     container: ghcr.io/linkerd/dev:v39-go
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - run: just go-lint --verbose --timeout=10m
 
   fmt:
     runs-on: ubuntu-latest
     container: ghcr.io/linkerd/dev:v39-go
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - run: just go-fmt-check
 
   unit-test:
     runs-on: ubuntu-latest
     container: ghcr.io/linkerd/dev:v39-go
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - run: just proxy-init-test-unit
 
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 692d4db0..63fb3749 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -17,6 +17,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: linkerd/dev/actions/setup-tools@v41
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - name: Run proxy-init integration tests
         run: just proxy-init-test-integration
diff --git a/.github/workflows/markdown.yml b/.github/workflows/markdown.yml
index baffc9f0..eca83a7f 100644
--- a/.github/workflows/markdown.yml
+++ b/.github/workflows/markdown.yml
@@ -14,7 +14,7 @@ jobs:
     timeout-minutes: 5
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - uses: DavidAnson/markdownlint-cli2-action@3aaa38e446fbd2c288af4291aa0f55d64651050f
         with:
             globs: "**/*.md"
diff --git a/.github/workflows/release-cni-plugin.yml b/.github/workflows/release-cni-plugin.yml
index 54f807cc..51a88206 100644
--- a/.github/workflows/release-cni-plugin.yml
+++ b/.github/workflows/release-cni-plugin.yml
@@ -52,7 +52,7 @@ jobs:
 
       - uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3
       - uses: linkerd/dev/actions/setup-tools@v41
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - run: |
           just cni-plugin-image='${{ needs.meta.outputs.repo }}:${{ needs.meta.outputs.version }}' \
                 build-cni-plugin-image \
@@ -90,7 +90,7 @@ jobs:
       contents: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - if: needs.meta.outputs.mode == 'release'
         uses: softprops/action-gh-release@de2c0eb89ae2a093876385947365aca7b0e5f844
         with:
diff --git a/.github/workflows/release-proxy-init.yml b/.github/workflows/release-proxy-init.yml
index 4f7f4b1e..e05f2346 100644
--- a/.github/workflows/release-proxy-init.yml
+++ b/.github/workflows/release-proxy-init.yml
@@ -52,7 +52,7 @@ jobs:
 
       - uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3
       - uses: linkerd/dev/actions/setup-tools@v41
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - run: |
           just proxy-init-image='${{ needs.meta.outputs.repo }}:${{ needs.meta.outputs.version }}' \
                 build-proxy-init-image \
@@ -90,7 +90,7 @@ jobs:
       contents: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - if: needs.meta.outputs.mode == 'release'
         uses: softprops/action-gh-release@de2c0eb89ae2a093876385947365aca7b0e5f844
         with:
diff --git a/.github/workflows/release-validator.yml b/.github/workflows/release-validator.yml
index f02e1867..19813963 100644
--- a/.github/workflows/release-validator.yml
+++ b/.github/workflows/release-validator.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     container: ghcr.io/linkerd/dev:v39-rust
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - id: meta
         shell: bash
         run: |
@@ -56,7 +56,7 @@ jobs:
     runs-on: ubuntu-latest
     container: ghcr.io/linkerd/dev:v39-rust-musl
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - run: just validator arch=${{ matrix.arch }} profile=release version=${{ needs.meta.outputs.version }} package
       - uses: actions/upload-artifact@v3
         with:
@@ -74,7 +74,7 @@ jobs:
         with:
           path: ${{ runner.temp }}/artifacts
       - run: find "$RUNNER_TEMP"/artifacts -type f -ls
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - if: needs.meta.outputs.mode == 'release'
         uses: softprops/action-gh-release@de2c0eb89ae2a093876385947365aca7b0e5f844
         with:
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 7875b85a..8f974f71 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     container: ghcr.io/linkerd/dev:v39-rust
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - run: just rs-fetch
       - run: just rs-fmt-check
       - run: just rs-clippy
@@ -34,7 +34,7 @@ jobs:
     # Prevent sudden announcement of a new advisory from failing Ci.
     continue-on-error: ${{ matrix.checks == 'advisories' }}
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - uses: EmbarkStudios/cargo-deny-action@a50c7d5f86370e02fae8472c398f15a36e517bb8
         with:
           command: check ${{ matrix.checks }}
diff --git a/.github/workflows/shell.yml b/.github/workflows/shell.yml
index 19f178cc..1841f936 100644
--- a/.github/workflows/shell.yml
+++ b/.github/workflows/shell.yml
@@ -16,5 +16,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: linkerd/dev/actions/setup-tools@v41
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - run: just sh-lint