Upgrade to 7.9

SonarQube 7.9 is the new LTS version, so version 6.7.7 should be no more available

library/sonarqube

@@ -2,10 +2,7 @@ Maintainers: Janos Gyerik <[email protected]> (@janos-ss),
              Julien Lancelot <[email protected]> (@julienlancelot),
              Christophe Levis <[email protected]> (@christophelevis)
 GitRepo: https://github.com/SonarSource/docker-sonarqube.git
-GitCommit: 2a00a59b94b64d52ce202f104c816d4ab73a5837
+GitCommit: 7f8fd12c45f4c7801e08d6b938c3869e0ceebd96
 
-Tags: 6.7.7-community, 6.7-community, lts
-Directory: 6.7.7-community
-
-Tags: 7.8-community, latest
-Directory: 7.8-community
+Tags: 7.9-community, latest, lts
+Directory: 7.9-community