[EZ][CI] Fetch full history for MPS jobs (#119401)
Otherwise emitting TD stats will fail with following warning:
```
Emiting td_test_failure_stats
/Users/ec2-user/runner/_work/pytorch/pytorch/tools/testing/target_determination/heuristics/edited_by_pr.py:37: UserWarning: Can't query changed test files due to Command '['git', 'merge-base', 'origin/main', 'HEAD']' returned non-zero exit status 1.
warn(f"Can't query changed test files due to {e}")
```
Test plan: Observe that MPS jobs finishes without those warnings
Pull Request resolved: https://github.com/pytorch/pytorch/pull/119401
Approved by: https://github.com/atalman, https://github.com/huydhn
