v20251115-002502

Add Helion Regression Config (#7473)

#Overview
Add regression report for helion

# frequency
the summary report is generated daily

# what is considered as regression for helion
1. we find baseline point used to judge new data: median of (4th - 8th
day speedup data)
2. if more than 2 new dp of helion speedup are continuously 15% lower
than the basline value, considered as regression


## Demo Regression Report


https://torchci-git-addhelionregressionreport-fbopensource.vercel.app/benchmark/regression/report/ada0e5ba-874b-47ff-b76c-b281ac08d179

<img width="741" height="851" alt="image"
src="https://github.com/user-attachments/assets/abcde75b-f34d-49d1-9c23-0544ac38ba37"
/>


## Notification
Currently we do not trigger workplace chat notification, this is
experimental.
But we do:
1. have a github issue that will be used to accept regression report as
link, can be used for notification when it's ready
2. have helion dashboard to access to the regression report list, and
signal regression if find any

https://github.com/pytorch/test-infra/issues/7472