Bump mikepenz/action-junit-report in the github-actions group

Bumps the github-actions group with 1 update: [mikepenz/action-junit-report](https://github.com/mikepenz/action-junit-report).


Updates `mikepenz/action-junit-report` from 5 to 6
- [Release notes](https://github.com/mikepenz/action-junit-report/releases)
- [Commits](mikepenz/action-junit-report@v5...v6)

---
updated-dependencies:
- dependency-name: mikepenz/action-junit-report
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -121,7 +121,7 @@ jobs:
           merge-multiple: true
 
       - name: Show test results
-        uses: mikepenz/action-junit-report@v5
+        uses: mikepenz/action-junit-report@v6
         with:
           report_paths: reports/junit/*.xml