Investigate high memory consumption of Git related endpoints
<!--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=432592) </details> <!--IssueSummary end--> ## Summary Some Git-related controller actions (like `TreeController` and `BlobController) are allocating more than `1GB` memory: https://nonprod-log.gitlab.net/app/r/s/rFTXv ![Screenshot_2023-11-21_at_16.23.57](/uploads/f4560287a95be8dd8adbacfeef944451/Screenshot_2023-11-21_at_16.23.57.png) The issue is not manifested in the production logs: https://log.gprd.gitlab.net/app/r/s/RzsTg Related issue: https://gitlab.com/gitlab-com/gl-infra/delivery/-/issues/19847
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