Fix incorrect instances of its and it's

[tambien]

This commit corrects various instances of "its" and "it's" in comments and test names throughout the codebase to ensure proper grammar and clarity.

Tried out using jules.google to find and replace all bad instances, worked pretty well!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.97%. Comparing base (c322584) to head (84fb86d).

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #1345      +/-   ##
==========================================
+ Coverage   98.96%   98.97%   +0.01%     
==========================================
  Files         203      203              
  Lines       22727    22727              
  Branches     1004     1004              
==========================================
+ Hits        22491    22493       +2     
+ Misses        236      234       -2     

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