Bump org.sonarqube from 3.3 to 3.4.0.2513 in /Plan (#2415)

Bumps org.sonarqube from 3.3 to 3.4.0.2513.

---
updated-dependencies:
- dependency-name: org.sonarqube
  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>

Plan/build.gradle

@@ -11,7 +11,7 @@ plugins {
     id "java"
     id "jacoco"
     id "checkstyle"
-    id "org.sonarqube" version "3.3"
+    id "org.sonarqube" version "3.4.0.2513"
 }
 
 apply plugin: 'nebula-aggregate-javadocs'