Create a rate limit module for GraphQL API
<!--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=471071) </details> <!--IssueSummary end--> There are generic methods for rate-limiting other endpoint types, but I don't see anything for the GraphQL API. Extracting this to a shareable module might make a good follow-up.
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