Bump actions/setup-java from 5.7.0 to 6.0.0 (#6145)

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 5.7.0 to 6.0.0.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](https://github.com/actions/setup-java/compare/v5.7.0...v6.0.0)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/build.yml

@@ -81,7 +81,7 @@ jobs:
         out-file-path: V2rayNG/app/libs/
 
     - name: Setup Java
-      uses: actions/setup-java@v5.7.0
+      uses: actions/setup-java@v6.0.0
       with:
         distribution: 'temurin'
         java-version: '21'