[E2E] PROMOTE TO BLOCKING: pipeline_with_image_pull_policy_spec.rb

What does this MR do?

Promotes the following e2e tests to the blocking bucket:

1. Verify Pipeline with image:pull_policy when policy is allowed with [always] policy applies pull policy in job correctly | Testcase | Spec metrics

This MR was created based on data from reliable e2e test report: #478428

(This MR was automatically generated by gitlab_quality-test_tooling at 2024-08-12 02:05:52 UTC)