Automate benchmarking (#770)

## Summary
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this proposed code change. --->
Modal automatically upgrades H100 to H200, so for a strict constraint, I
have made this change.
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## Details
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should be aware of?
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## Testing Done
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tested. --->

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- Hardware Type: <BLANK>
- [ ] run `make test` to ensure correctness
- [ ] run `make checkstyle` to ensure code style
- [ ] run `make test-convergence` to ensure convergence

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Co-authored-by: Manan Shah <[email protected]>
Co-authored-by: Vaibhav Jindal <[email protected]>

Author: 3 people

dev/modal/benchmarks.py

@@ -14,7 +14,7 @@
 repo = image.add_local_dir(ROOT_PATH, remote_path=REMOTE_ROOT_PATH)
 
 
-@app.function(gpu="H100", image=repo, timeout=60 * 90)
+@app.function(gpu=["100"], image=repo, timeout=60 * 90)
 def liger_benchmarks():
     import os
     import subprocess