Update Sonar Gradle plugin to latest version.

Author: ebruneton

build.gradle

@@ -33,7 +33,7 @@ buildscript {
 
 plugins { id 'com.diffplug.spotless' version "6.23.3" apply false }
 plugins { id 'me.champeau.jmh' version '0.7.2' apply false }
-plugins { id 'org.sonarqube' version '4.3.1.3277' apply false }
+plugins { id 'org.sonarqube' version '6.2.0.5505' apply false }
 
 description = 'ASM, a very small and fast Java bytecode manipulation framework'