[E2E] PROMOTE TO BLOCKING: user_access_termination_spec.rb

What does this MR do?

Promotes the following e2e tests to the blocking bucket:

1. Govern User when parent group membership is terminated is not allowed to push code via the CLI | Testcase | Spec metrics

2. Govern User when parent group membership is terminated is not allowed to create a file via the API | Testcase | Spec metrics

3. Govern User when parent group membership is terminated is not allowed to commit via the API | Testcase | Spec metrics

This MR was created based on data from reliable e2e test report: #472396 (closed)

(This MR was automatically generated by gitlab_quality-test_tooling at 2024-07-15 02:07:32 UTC)