Issue: https://gitlab.com/gitlab-org/gitlab/-/issues/218764
Follow-up for:
https://gitlab.com/gitlab-org/gitlab/-/merge_requests/39717
After merging:
https://gitlab.com/gitlab-org/gitlab/-/merge_requests/39715

* Revert an approximate match in the documentation linter
* Revert an allow_failure: true behavior
* Update a regular expression to remove false-positives in the linter