Bump actions/checkout from 4 to 6

.github/workflows/accessibility.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6.0.1
+        uses: actions/checkout@v6
 
       - name: Install Zola
         run: |

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6.0.1
+        uses: actions/checkout@v6
 
       - name: Build Zola + upload Pages artifact
         uses: getzola/github-pages@066755243e69f508fd1a74739fbf1a65f656c790

.github/workflows/codeql.yml

@@ -59,7 +59,7 @@ jobs:
         # your codebase is analyzed, see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       # Add any setup steps before running the `github/codeql-action/init` action.
       # This includes steps like installing compilers or runtimes (`actions/setup-node`

.github/workflows/validate.yml

@@ -18,7 +18,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6.0.1
+        uses: actions/checkout@v6
 
       - name: Set up uv
         uses: astral-sh/setup-uv@v7