Update sonar.version to v25.6.0.109173 (#5437)

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

Author: renovate[bot]

pom.xml

@@ -68,7 +68,7 @@
     <junit.version>5.13.0</junit.version>
     <mockito.version>5.18.0</mockito.version>
     <slf4j.version>2.0.17</slf4j.version>
-    <sonar.version>25.5.0.107428</sonar.version>
+    <sonar.version>25.6.0.109173</sonar.version>
     <sonar.api.version>12.0.0.2960</sonar.api.version>
     <sonar-orchestrator.version>5.6.2.2625</sonar-orchestrator.version>
     <gson.version>2.13.1</gson.version>