Fix pipeline failures

What does this MR do and why?

Fix pipeline failures https://jihulab.com/gitlab-cn/gitlab/-/jobs/4394240 and https://jihulab.com/gitlab-cn/gitlab/-/jobs/4394212

Related upstream commit https://gitlab.com/gitlab-org/gitlab/-/commit/9fe2a1bfcb9cf382336be86ee4d40c10c484aec7

1. jh/spec/features/groups/usage_quotas_spec.rb Reason: Upstream added FF usage_quotas_for_all_editions to controller the display of frontend. The page only show a sentence if we turn on this FF, so I turn off it during test run.
2. spec/features/projects/blobs/blame_spec.rb Reason: JH override the blame/show page, so upstream test can not pass, I skipped the test case.

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