Merge branch '5718-omnibus-gitlab-is-currently-too-big' into 'master'

Resolve "omnibus-gitlab is currently too big"

Closes #5718

See merge request gitlab-org/omnibus-gitlab!4643

.gitlab-ci.yml

@@ -64,7 +64,7 @@ variables:
   AUTO_DEPLOY_TAG_REGEX: '^\d+\.\d+\.\d+\+[^ ]{7,}\.[^ ]{7,}$'
   # Default environment for auto-deploy
   AUTO_DEPLOY_ENVIRONMENT: 'pre'
-  MAX_PACKAGE_SIZE_MB: "850"
+  MAX_PACKAGE_SIZE_MB: "860"
   OMNIBUS_GITLAB_MIRROR_ID: "14588374"
 ### For services that need a docker daemon