Bump actions/checkout from 3 to 4 (#368)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ansible-release.yml

@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Check out antsibull
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: ansible-community/antsibull
           ref: main
@@ -37,7 +37,7 @@ jobs:
 
       # This is where the antsibull build-release role expects it by default
       - name: Check out ansible-build-data under antsibull build directory
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: antsibull/build/ansible-build-data
 
@@ -136,7 +136,7 @@ jobs:
     steps:
 
       - name: Check out ansible-build-data
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.repository.default_branch }}