Update mikepenz/action-junit-report action to v6

Author: renovate[bot]

.github/workflows/run_gradle_task.yml

@@ -100,7 +100,7 @@ jobs:
           if-no-files-found: ignore
 
       - name: Publish Test Reports
-        uses: mikepenz/action-junit-report@v4
+        uses: mikepenz/action-junit-report@v6
         if: always()
         with:
           report_paths: |

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 
-junit = "5.14.1"
+junit = "5.14.0"
 kotest = "5.9.1"
 
 gradlePlugin-pluginPublishPlugin = "1.3.1"