Bump mikepenz/action-junit-report from 6.0.0 to 6.3.1

Bumps [mikepenz/action-junit-report](https://github.com/mikepenz/action-junit-report) from 6.0.0 to 6.3.1.
- [Release notes](https://github.com/mikepenz/action-junit-report/releases)
- [Commits](mikepenz/action-junit-report@v6.0.0...v6.3.1)

---
updated-dependencies:
- dependency-name: mikepenz/action-junit-report
  dependency-version: 6.3.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/full-check.yml

@@ -61,7 +61,7 @@ jobs:
             -Dtest.emma.htmlunit.disable=true
 
       - name: Report test results
-        uses: mikepenz/action-junit-report@v6.0.0
+        uses: mikepenz/action-junit-report@v6.3.1
         if: always()
         with:
           report_paths: 'gwt/build/out/**/test/**/reports/TEST-*.xml'