Add version in properties

Author: Diego Rodriguez

pom.xml

@@ -63,6 +63,7 @@
         <maven.compiler.target>1.8</maven.compiler.target>
         <sonar.apiVersion>9.8.0.203</sonar.apiVersion>
         <sonar.testingHarnessVersion>9.5.0.56709</sonar.testingHarnessVersion>
+        <sonar.apiImplVersion>9.9.1.69595</sonar.apiImplVersion>
         <sonar.sslr-squid-bridge.version>2.6.1</sonar.sslr-squid-bridge.version>
         <sonar-packaging-maven-plugin.version>1.21.0.505</sonar-packaging-maven-plugin.version>
         <commons-lang.version>3.7</commons-lang.version>
@@ -113,7 +114,7 @@
         <dependency>
             <groupId>org.sonarsource.sonarqube</groupId>
             <artifactId>sonar-plugin-api-impl</artifactId>
-            <version>9.9.1.69595</version>
+            <version>${sonar.apiImplVersion}</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>