releng: update sonar to version 3.9.1.2184

Change-Id: I321e8c471c6776fccf2b012fe0d4685faa80b49c
Signed-off-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/c/tracecompass.incubator/org.eclipse.tracecompass.incubator/+/195174
Tested-by: Matthew Khouzam <matthew.khouzam@ericsson.com>
Tested-by: Trace Compass Bot <tracecompass-bot@eclipse.org>
Reviewed-by: Matthew Khouzam <matthew.khouzam@ericsson.com>

pom.xml

@@ -63,7 +63,7 @@
     <SWT_GTK3>0</SWT_GTK3>
 
     <!-- Sonar rule configuration -->
-    <sonar-version>3.9.0.2155</sonar-version>
+    <sonar-version>3.9.1.2184</sonar-version>
     <jacoco-version>0.8.7</jacoco-version>
     <sonar.core.codeCoveragePlugin>jacoco</sonar.core.codeCoveragePlugin>
     <sonar.dynamicAnalysis>reuseReports</sonar.dynamicAnalysis>