Auto Filling Infrastructure

Work items:

- [x] Detection of regressions in app sizes across all measured platforms (in addition to the existing throughput regressions)
- [x] Issues auto-filed into the fork repository for triage during the weekly triage meeting
- [x] That weekly triage meeting being able to incorporate app size regression issue triage into the existing workflow
- [x] Legitimate app size regression issues being set up for easy transfer into the runtime repo with actionable details in place
- [X] Add test project (preview2)
- [ ] Add way to add test data from file instead of table
- [ ] Add end to end test
- [ ] Runtime integration (preview3)
- [ ] Add bot account to runtime repo
- [ ] Add tests to ensure max number of filed issues