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/publish.yml

@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           # Required to allow push to main without the checks/PR
           token: ${{ secrets.GH_PUSH_TOKEN }}

.github/workflows/sponsors.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout 🛎️
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           # Required to allow push to master without the checks/PR
           token: ${{ secrets.GH_PUSH_TOKEN }}

.github/workflows/test-compatibility.yaml

@@ -30,7 +30,7 @@ jobs:
             return latestRelease.data.tag_name;
 
       - name: Checkout website-scraper-puppeteer
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: website-scraper/website-scraper-puppeteer
           ref: ${{ steps.get_latest_release.outputs.result || matrix.website-scraper-puppeteer-version }}