Add Benchmark CI

[kitlangton]

(Work in progress) /claim #2265

I've created the following JMH Benchmark Action repository to handle the storing/reporting of benchmark runs.

Example Output:

I'm going to open the PR to see if it works from the zio-http project's more complicated GitHub workflow.

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (538761f) 63.21% compared to head (aea1706) 63.21%.

❗ Current head aea1706 differs from pull request most recent head 19e466f. Consider uploading reports for the commit 19e466f to get more accurate results

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Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2364   +/-   ##
=======================================
  Coverage   63.21%   63.21%           
=======================================
  Files         135      135           
  Lines        7032     7032           
  Branches     1185     1185           
=======================================
  Hits         4445     4445           
  Misses       2587     2587           

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