chore: large PR checker

[otaviomacedo]

Implement the PR size checker we had in the previous repository, but directly on a GitHub workflow.

Adapted from https://github.com/adolfosilva/gh-large-pr-check (MIT License).

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.29%. Comparing base (0d7bcca) to head (5f39371).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #274      +/-   ##
==========================================
+ Coverage   85.24%   85.29%   +0.04%     
==========================================
  Files         219      221       +2     
  Lines       36499    36512      +13     
  Branches     4440     4450      +10     
==========================================
+ Hits        31115    31143      +28     
+ Misses       5287     5273      -14     
+ Partials       97       96       -1     

Flag	Coverage Δ
suite.unit	85.29% <ø> (+0.04%)	⬆️

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