[QUARANTINE] [nightly] Govern Project vulnerability report validates "fix a vulnerability" workflow

What does this MR do?

Quarantines the test Govern Project vulnerability report validates "fix a vulnerability" workflow (https://gitlab.com/gitlab-org/gitlab/-/blob/master/qa/qa/specs/features/ee/browser_ui/10_govern/fix_vulnerability_workflow_spec.rb#L49)

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

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

#391396 (closed)

(This MR was automatically generated by Confiner at 2023-02-22 01:17:35 UTC)