[Flaky Test] TestRestoreSubcommand

https://gitlab.com/gitlab-org/gitaly/-/jobs/11818452753#L1461

Logs

=== FAIL: internal/cli/gitalybackup TestRestoreSubcommand (re-run 2) (10.03s)
    restore_test.go:111: 
        	Error Trace:	/builds/gitlab-org/gitaly/internal/cli/gitalybackup/restore_test.go:111
        	Error:      	Should be zero, but was 1
        	Test:       	TestRestoreSubcommand
    repo.go:216: failed removing repository: "rpc error: code = Aborted desc = The operation could not be completed. Please try again."
    logger.go:127: Recorded logs of "gitaly":

Steps

• This issue has been assigned the current milestone
• Flaky test has been quarantined with testhelper.SkipQuarantinedTest.
• Flaky test has been fixed and quarantine removed.