Bump actions/checkout from 3 to 4

.github/workflows/ci.yml

@@ -34,7 +34,7 @@ jobs:
         check-latest: true
 
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Get dependencies
       run: go get -v -t -d ./...

.github/workflows/codeql-analysis.yml

@@ -42,7 +42,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/cover.yml

@@ -36,7 +36,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Install Go
       uses: actions/setup-go@v4
       with:

.github/workflows/safer-golangci-lint.yml

@@ -64,7 +64,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1