Bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
             experimental: true
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: docker compose -f docker-compose.yml pull --include-deps drupal
       - name: Build the docker compose stack
         run: docker compose -f docker-compose.yml build --pull --build-arg BASE_IMAGE_TAG=${{ matrix.drupal_version }} drupal
@@ -53,7 +53,7 @@ jobs:
             experimental: true
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: docker compose -f docker-compose.yml pull --include-deps drupal
       - name: Build the docker compose stack
         run: docker compose -f docker-compose.yml build --pull --build-arg BASE_IMAGE_TAG=${{ matrix.drupal_version }} drupal
@@ -78,7 +78,7 @@ jobs:
         module: ['entity_to_text']
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - run: docker compose -f docker-compose.yml pull --include-deps drupal

.github/workflows/styles.yml

@@ -12,7 +12,7 @@ jobs:
           php-version: '8.3'
           extensions: mbstring, intl, gd, xml, dom, json, fileinfo, curl, zip, iconv
           tools: cs2pr, composer:v2
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: composer install --prefer-dist
       - run: ./vendor/bin/phpcs ./ --report=checkstyle | cs2pr
 
@@ -26,7 +26,7 @@ jobs:
           php-version: '8.3'
           extensions: mbstring, intl, gd, xml, dom, json, fileinfo, curl, zip, iconv
           tools: cs2pr, composer:v2, phpmd
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: composer install --prefer-dist
       - run: phpmd ./ text ./phpmd.xml --suffixes php,module,inc,install,test,profile,theme,css,info,txt --exclude *Test.php,*vendor/*
 
@@ -40,15 +40,15 @@ jobs:
           php-version: '8.3'
           extensions: mbstring, intl, gd, xml, dom, json, fileinfo, curl, zip, iconv
           tools: cs2pr, composer:v2, phpcpd
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: composer install --prefer-dist
       - run: phpcpd ./src --suffix .php --suffix .module --suffix .inc --suffix .install --suffix .test --suffix .profile --suffix .theme --suffix .css --suffix .info --suffix .txt --exclude *.md --exclude *.info.yml --exclude tests --exclude vendor/
 
   phpdd:
     name: PhpDeprecationDetector (phpdd)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: docker compose -f docker-compose.yml pull --include-deps drupal
       - name: Build the docker compose stack
         run: docker compose -f docker-compose.yml build drupal