Merge pull request #47547 from gsmet/build-report-use-21

Use JDK 21 for build reporting

Author: gsmet

.github/workflows/ci-actions-incremental.yml

@@ -1556,11 +1556,11 @@ jobs:
       - uses: actions/download-artifact@v4
         with:
           path: build-reports-artifacts
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
       - name: Produce report and add it as job summary
         uses: quarkusio/action-build-reporter@main
         with: