Update dependency org.sonarsource.orchestrator:sonar-orchestrator-junit4 to v6 (#255)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -78,7 +78,7 @@
     <analyzerCommons.version>2.18.0.3393</analyzerCommons.version>
     <junit.version>4.13.2</junit.version>
     <fest.version>1.4</fest.version>
-    <orchestrator.version>5.6.2.2625</orchestrator.version>
+    <orchestrator.version>6.0.0.3852</orchestrator.version>
 
     <gitRepositoryName>sonar-flex</gitRepositoryName>