[bench] Add code to run multiple command lines and export the result in a csv file

[xadupre]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 30.00000% with 140 lines in your changes missing coverage. Please review.

Project coverage is 75.27%. Comparing base (ee29e71) to head (b1878e0).

Files	Patch %	Lines
onnxscript/tools/benchmark/benchmark_run.py	17.07%	68 Missing ⚠️
onnxscript/tools/benchmark/export_model.py	36.06%	34 Missing and 5 partials ⚠️
onnxscript/tools/benchmark/benchmark_helpers.py	31.11%	31 Missing ⚠️
...nxscript/tools/benchmark/benchmark_helpers_test.py	81.81%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1641      +/-   ##
==========================================
- Coverage   75.56%   75.27%   -0.29%     
==========================================
  Files         240      242       +2     
  Lines       25692    25841     +149     
  Branches     4623     4653      +30     
==========================================
+ Hits        19414    19452      +38     
- Misses       5392     5503     +111     
  Partials      886      886              

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