Update dependency org.sonarqube to v6.3.0.5676

Author: renovate[bot]

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-sonarqube = '6.2.0.5505'
+sonarqube = '6.3.0.5676'
 jacocolog = '3.1.0'
 spotbugs = '6.2.5'
 ben-manes-versions = '0.52.0'