Merge pull request #741 from rabbitmq/dependabot/maven/org.sonarsource.scanner.maven-sonar-maven-plugin-3.9.1.2184

Bump sonar-maven-plugin from 3.5.0.1254 to 3.9.1.2184

Author: acogoluegnes

pom.xml

@@ -776,7 +776,7 @@
         <plugin>
           <groupId>org.sonarsource.scanner.maven</groupId>
           <artifactId>sonar-maven-plugin</artifactId>
-          <version>3.5.0.1254</version>
+          <version>3.9.1.2184</version>
         </plugin>
       </plugins>
     </pluginManagement>