SCANJLIB-206 Change target to Java 11

Author: henryju

pom.xml

@@ -48,7 +48,7 @@
   </issueManagement>
 
   <properties>
-    <maven.compiler.release>8</maven.compiler.release>
+    <maven.compiler.release>11</maven.compiler.release>
     <maven.test.redirectTestOutputToFile>true</maven.test.redirectTestOutputToFile>
 
     <!-- used for deployment to SonarSource Artifactory -->