Print benchmark summaries

[embano1]

Adds https://github.com/benchmark-action/github-action-benchmark#pr-summary

@timbray see https://github.com/timbray/quamina/actions/runs/4391164905#summary-11926822902

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (278de19) 96.31% compared to head (0eefcbd) 96.31%.

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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #204   +/-   ##
=======================================
  Coverage   96.31%   96.31%           
=======================================
  Files          17       17           
  Lines        2119     2119           
=======================================
  Hits         2041     2041           
  Misses         52       52           
  Partials       26       26           

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[timbray]

I looked at the benchmark output and I suppose it's nice to have but the readability is horrible, if it bothers me enough I should go file a PR against the tool I guess.

[embano1]

Thx, I reported an issue with the number formatting. Anything else you'd want to see improved in the output?