feat: enable benchmarking

[unw9527]

Main change is here: https://github.com/cmu-db/15721-s24-cache-benchmark/blob/lkl/benchmark/.github/workflows/test_group_1.yml

Trigger this action and we can get the benchmark time.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 79.16667% with 5 lines in your changes are missing coverage. Please review.

Project coverage is 87.69%. Comparing base (6532d47) to head (02ceacb).

Files	Patch %	Lines
storage-client/src/client.rs	80.95%	0 Missing and 4 partials ⚠️
storage-node/src/server.rs	66.66%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #67      +/-   ##
==========================================
- Coverage   87.78%   87.69%   -0.09%     
==========================================
  Files          21       21              
  Lines        3242     3260      +18     
  Branches     3242     3260      +18     
==========================================
+ Hits         2846     2859      +13     
  Misses        216      216              
- Partials      180      185       +5     

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