Merge branch 'google-protobuf-3.4.1.1' into 'master'

Use google-protobuf 3.4.1.1

See merge request gitlab-org/gitlab-ce!14820

Gemfile.lock

@@ -324,7 +324,7 @@ GEM
       mime-types (~> 3.0)
       representable (~> 3.0)
       retriable (>= 2.0, < 4.0)
-    google-protobuf (3.4.0.2)
+    google-protobuf (3.4.1.1)
     googleauth (0.5.3)
       faraday (~> 0.12)
       jwt (~> 1.4)