Bump actions/checkout from 3.0.2 to 4.0.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.0.2 to 4.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3.0.2...v4.0.0)

---
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/gradle.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3.0.2
+    - uses: actions/checkout@v4.0.0
     - name: Set up JDK 17
       uses: actions/setup-java@v3
       with: