network: add vote compression benchmarks and related algodump flags

[cce]

Summary

This provides benchmark code and algodump tooling for capturing network traffic and running compression on it with different window sizes, used during the development of #6351 and #6276.

Test Plan

Tools-only change.

[jannotti]

I guess! That's a lot of code. I guess it benchmarks?

I don't see much reason not to approve a tooling addition.

[cce]

@jannotti removed/shrunk some things and it is now less code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.95%. Comparing base (1625da7) to head (4c9fd51).
⚠️ Report is 5 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6467      +/-   ##
==========================================
- Coverage   51.13%   46.95%   -4.19%     
==========================================
  Files         668      659       -9     
  Lines      112101    88652   -23449     
==========================================
- Hits        57327    41623   -15704     
+ Misses      51907    44276    -7631     
+ Partials     2867     2753     -114     

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