[QUARANTINE] [nightly] Create Restricted protected branch push and merge when only one user is allowed to merge and push to a protected branch behaves like selected developer user pushes and merges

What does this MR do?

Quarantines the test Create Restricted protected branch push and merge when only one user is allowed to merge and push to a protected branch behaves like selected developer user pushes and merges (https://gitlab.com/gitlab-org/gitlab/-/blob/master/qa/qa/specs/features/ee/browser_ui/3_create/repository/restrict_push_protected_branch_spec.rb#L66)

This test has been found by Confiner to have failed 6 times, which exceeds the threshold of 3 times.

1. ee:instance-image
2. ee:instance-image-slow-network
3. ee:nplus1-instance-image
4. ee:update
5. ee:instance-image
6. ee:instance-image-slow-network

#366155 (closed)

(This MR was automatically generated by Confiner at 2023-03-22 01:18:08 UTC)