Update GitLab.

Change-Id: I3437ac96996a42c774b9e9dfff5985f6dc0ffc63
diff --git a/gitlab-system/gitlab.yaml b/gitlab-system/gitlab.yaml
index 566c6f3..82e4012 100644
--- a/gitlab-system/gitlab.yaml
+++ b/gitlab-system/gitlab.yaml
@@ -5,7 +5,7 @@
   namespace: gitlab-system
 spec:
   chart:
-    version: "6.9.2"
+    version: "6.11.2"
     values:
       global:
         appConfig: