<!--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=212194) </details> <!--IssueSummary end--> Emit metrics to Prometheus and build a dashboard in grafana that includes: * Number of imports (counter) * Number of exports (counter) * Duration of export (histogram, label: project.full_path) * Duration of import (histogram, label: project.full_path)