Nightly Pipeline Build Issue - datasource_gitlab_project_protected_branch_test test has become flakey

Everyone can contribute. Help move this issue forward while earning points, leveling up and collecting rewards.

• Label this issue

There was an issue identified within the nightly acceptance test run, please investigate the issue!

Workflow to tackle this issue:

1. close if it's a duplicate (issues are still created every night).
2. assign yourself if you are investigating this.
3. change labels accordingly.
4. add additional information, start a discussion or provide a fix.

/cc @timofurrer @PatrickRice @heidi.berry

Relevant Pipeline

https://gitlab.com/gitlab-org/terraform-provider-gitlab/-/pipelines/2089426354