Merge On Green Bot
Closed the last one because I accidentally rebased on main and tagged 300 people.
This implements the merge on green bot by continuously calling trymerge for 6 hours with 1 minute in between attempts.
Examples of it working (Stopping when lint fails):
Merging while busy waiting in GHA
<img width="1492" alt="image" src="https://user-images.githubusercontent.com/34172846/167176974-0fb8b106-4884-43c5-9f01-7bf8672531fb.png">
Pull Request resolved: https://github.com/pytorch/pytorch/pull/76740
Approved by: https://github.com/janeyx99
