Update actions/checkout action to v4.1.6

Author: renovate[bot]

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/[email protected].5
+    - uses: actions/[email protected].6
     - name: Set up Docker Buildx
       uses: docker/[email protected]
     - name: Build and push Docker image
@@ -33,7 +33,7 @@ jobs:
     needs: [build]
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/[email protected].5
+    - uses: actions/[email protected].6
     - uses: actions/[email protected]
       with:
         name: image

.github/workflows/codeql-analysis.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/[email protected].5
+      uses: actions/[email protected].6
       with:
         fetch-depth: 2
     - name: Initialize CodeQL

.github/workflows/fossa.yml

@@ -7,7 +7,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/[email protected].5
+    - uses: actions/[email protected].6
     - name: FOSSA analysis
       run: |
         curl -H 'Cache-Control: no-cache' https://raw.githubusercontent.com/fossas/fossa-cli/master/install.sh | bash -s -- -b .