ci: enable gitlint

[tysmith]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.61%. Comparing base (6ee571d) to head (740af0e).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #465   +/-   ##
=======================================
  Coverage   99.61%   99.61%           
=======================================
  Files          53       53           
  Lines        5493     5493           
=======================================
  Hits         5472     5472           
  Misses         21       21           

Flag	Coverage Δ
	99.61% <ø> (?)

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