feat: add check against default branch

[bearomorphism]

Description

Related PR: #1400 Wait for #1472 and #1457

Related issue: #1498

• Added cz check --default-range.

Some TODOs

• [x] Add tests
• [x] Documentation

Checklist

• [x] I have read the contributing guidelines

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :warning: Please upload report for BASE (v4-9-0-test@f30ae2e). Learn more about missing BASE report.

Additional details and impacted files

@@              Coverage Diff               @@
##             v4-9-0-test    #1519   +/-   ##
==============================================
  Coverage               ?   98.31%           
==============================================
  Files                  ?       58           
  Lines                  ?     2671           
  Branches               ?        0           
==============================================
  Hits                   ?     2626           
  Misses                 ?       45           
  Partials               ?        0           

Flag	Coverage Δ
unittests	98.31% <100.00%> (?)

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