Up the package size limit one more time

* This should be considered a temporary limit, package is growing a lot
  lately.

https://gitlab.com/gitlab-org/omnibus-gitlab/-/issues/5747

.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: "860"
+  MAX_PACKAGE_SIZE_MB: "880"
   OMNIBUS_GITLAB_MIRROR_ID: "14588374"
 ### For services that need a docker daemon