build(deps): bump org.sonarqube from 6.2.0.5505 to 6.3.1.5724 (#55)

Bumps org.sonarqube from 6.2.0.5505 to 6.3.1.5724.

---
updated-dependencies:
- dependency-name: org.sonarqube
  dependency-version: 6.3.1.5724
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

build.gradle

@@ -1,5 +1,5 @@
 plugins {
-    id "org.sonarqube" version "6.2.0.5505"
+    id "org.sonarqube" version "6.3.1.5724"
     id "pl.allegro.tech.build.axion-release" version "1.20.1"
 }