Fixing Renovate/Danger

Danger job fails on Renovate MRs.

#85 (closed)

As part of this MR:

• Danger shouldn't run on any fork.
• Reintegrate Renovate so that it makes direct MRs on the project, instead of Fork MRs

Follow up:

• Revert what has been added in this MR: gitlab-org/frontend/renovate-gitlab-bot!823 (diffs)