Bump actions/setup-java from 4 to 5

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] <support@github.com>

Author: dependabot[bot]

.github/workflows/copilot-setup-steps.yml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Set up JDK 21
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
         with:
           java-version: '21'
           distribution: 'temurin'