<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=426385) </details> <!--IssueSummary end--> ### Problem As described in https://gitlab.com/gitlab-org/gitlab/-/issues/415125, when GitHub's API limit is reached, the import fails silently and does not present errors to the user. ### Proposal Let's notify the user in the UI when the rate limit is reached: * When the rate limit is reached ~backend needs to pass this information on to ~frontend * ~frontend will display a warning/error message in the UI.