Performance regression suite

[dherman]

This PR adds an initial performance regression suite via bench-node. The goal is for us to proactively detect performance regressions, as well as to compare different ways of expressing the same logic within Neon.

Next we can explore hooking this up to CI via Bencher.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.42%. Comparing base (c3608d9) to head (72ecea3).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1093   +/-   ##
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  Coverage   83.42%   83.42%           
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  Files          74       74           
  Lines        5537     5537           
  Branches     5537     5537           
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  Hits         4619     4619           
  Misses        803      803           
  Partials      115      115           

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