Update sonar configuration

Sonarcloud upgrade exposed missing configuration variable.
Also removed deprecated properties
Used properties for versions of plugins
Upgraded all the plugins to the latest

Issue-ID: INT-1411
Change-Id: I75cb459f387a32230920987913d174dbc751e9f2
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
diff --git a/pom.xml b/pom.xml
index c85ecaa..7003823 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,6 +37,8 @@
     <!-- sitePath may be overridden in the inheriting POM if desired -->
     <sitePath>/content/sites/site/${project.groupId}/${project.artifactId}/${project.version}</sitePath>
     <maven.compiler.release>11</maven.compiler.release>
+    <sonar.scanner.version>3.7.0.1746</sonar.scanner.version>
+
     <!-- 
        In the java 8 version of oparent there were two variables defined for 1.8 source and target. These are no longer
        applicable in Java 11 but you may be referencing them in your child poms so review and update as appropriate.
@@ -148,7 +150,7 @@
         <plugin>
           <groupId>org.sonarsource.scanner.maven</groupId>
           <artifactId>sonar-maven-plugin</artifactId>
-          <version>3.2</version>
+          <version>${sonar.scanner.version}</version>
         </plugin>
       </plugins>
     </pluginManagement>