chore(deps): Bump actions/checkout from 5 to 6 (#4609)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/docs-preview-prepare.yml

@@ -32,7 +32,7 @@ jobs:
     name: 'Build Preview'
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       # ================== #
       # Build docs preview #

.github/workflows/docs-production-deploy.yml

@@ -28,7 +28,7 @@ jobs:
     name: 'Deploy Docs'
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: 'Check if deploy is for a `v<major>.<minor>` tag version instead of `edge`'
         if: startsWith(github.ref, 'refs/tags/')
@@ -79,10 +79,10 @@ jobs:
     needs: deploy
     steps:
       - name: 'Checkout the tagged commit (shallow clone)'
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: 'Checkout the docs deployment branch to a subdirectory'
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: gh-pages
           path: gh-pages
@@ -115,7 +115,7 @@ jobs:
     needs: add-version-to-docs
     steps:
       - name: 'Checkout the docs deployment branch'
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: gh-pages
 

.github/workflows/generic_build.yml

@@ -28,7 +28,7 @@ jobs:
       build-cache-key: ${{ steps.derive-image-cache-key.outputs.digest }}
     steps:
       - name: 'Checkout'
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 

.github/workflows/generic_publish.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: 'Checkout'
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 

.github/workflows/generic_test.yml

@@ -20,7 +20,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           # Required to retrieve bats (core + extras):
           submodules: recursive

.github/workflows/generic_vulnerability-scan.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: 'Checkout'
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # Get the cached build layers from the build job:
       # This should always be a cache-hit, thus `restore-keys` fallback is not used.

.github/workflows/linting.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Hadolint
         run: make hadolint