Added torchao nightly workflow (#2273)
Summary:
X-link: https://github.com/pytorch/pytorch/pull/128152
Add torchao benchmark workflow, upload the artifacts to GHA.
Pull Request resolved: https://github.com/pytorch/benchmark/pull/2273
Test Plan:
```
python run_benchmark.py torchao --ci
```
Reviewed By: jerryzh168
Differential Revision: D58140479
Pulled By: xuzhao9
fbshipit-source-id: b274edb417f880df9b149bd5afc1acbe95737433
