Bump actions/checkout from 5 to 6 (#37)

Author: dependabot[bot]

.github/workflows/changes.yml

@@ -19,7 +19,7 @@ jobs:
       documentation: ${{ steps.filter.outputs.documentation }}
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 2
         show-progress: false

.github/workflows/check.yml

@@ -21,7 +21,7 @@ jobs:
     if: ${{ needs.changed.outputs.workflows == 'true' || needs.changed.outputs.data_files == 'true' || needs.changed.outputs.documentation == 'true' }}
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         show-progress: false
     - uses: codespell-project/actions-codespell@v2

.github/workflows/content-style.yml

@@ -16,7 +16,7 @@ jobs:
     name: Style
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         show-progress: false
     - uses: editorconfig-checker/action-editorconfig-checker@main