Avoid race conditions when creating GpgSignature
What does this MR do?
This avoids errors when a race occurs when creating GPG signatures, it was surfaced by tests in https://gitlab.com/gitlab-org/gitlab-ce/issues/57304 but it also appears to happen in production https://gitlab.com/gitlab-org/gitlab-ce/issues/57304#note_138503204
What are the relevant issue numbers?
Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/57304
Does this MR meet the acceptance criteria?
-
Changelog entry added, if necessary - [-] Documentation created/updated via this MR
- [-] Documentation reviewed by technical writer or follow-up review issue created
-
Tests added for this feature/bug - [-] Tested in all supported browsers
-
Conforms to the code review guidelines -
Conforms to the merge request performance guidelines -
Conforms to the style guides -
Conforms to the database guides - [-] Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process.
-
Security reports checked/validated by reviewer