Bump actions/setup-java from 4 to 5 (#75)

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 4 to 5.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](actions/setup-java@v4...v5)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/nightly.yml

@@ -18,7 +18,7 @@ jobs:
           path: gitbucket
 
       - name: Set up JDK
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
         with:
           java-version: ${{ matrix.java }}
           distribution: adopt