Update GitHub Action Versions

[morisil]

GitHub Actions Version Updates

• actions/setup-java published a new release v5.7.0 on 2026-07-31T19:41:06Z

[claude]

Review

This is a trivial, auto-generated dependency bump from the action-version-updater.yml workflow: actions/setup-java v5.6.0 → v5.7.0 in build-gradle.yml. It's a single-line, mechanical change.

Code quality / conventions: Consistent with the file's existing style — actions are pinned by version tag (not SHA), matching the other uses: lines (checkout@v7.0.1, setup-gradle@v6.2.0, upload-artifact@v7.0.1) already in this file. No issues here.

Bugs: None — this only touches a version pin, no logic changes.

Performance: N/A.

Security: Same trust model as the rest of the file — action pinned to a version tag rather than a commit SHA, so it relies on actions/setup-java maintainers not force-moving tags. This is pre-existing convention, not something introduced by this PR, so no action needed unless the team wants to revisit pinning-by-SHA repo-wide as a separate change.

Test coverage: N/A for a version bump; the reusable workflow will be exercised by downstream consumers on their next Gradle build run.

No concerns — safe to merge.