Merge branch 'mc-fixes-db-schema' into 'master'

Fixes db/schema version number

Closes #12911

See merge request gitlab-org/gitlab-ee!14736

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20190715114644) do
+ActiveRecord::Schema.define(version: 2019_07_15_114644) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_trgm"