Add type hints for cli.py

[gbaian10]

Description

Resolves #1477

• Add type annotations for the arguments of the CLI entry point #1477

I hope this can be merged into the refactors branch instead of master.

Checklist

• I have read the contributing guidelines

Code Changes

• Add test cases to all the changes you introduce
• Run poetry all locally to ensure this change passes linter check and tests
• Manually test the changes:
  • Verify the feature/bug fix works as expected in real-world scenarios
  • Test edge cases and error conditions
  • Ensure backward compatibility is maintained
  • Document any manual testing steps performed
• Update the documentation for the changes

Documentation Changes

• Run poetry doc locally to ensure the documentation pages renders correctly
  • Check if there are any broken links in the documentation

When running poetry doc, any broken internal documentation links will be reported in the console output like this:

INFO    -  Doc file 'config.md' contains a link 'commands/bump.md#-post_bump_hooks', but the doc 'commands/bump.md' does not contain an anchor '#-post_bump_hooks'.

Expected Behavior

Steps to Test This Pull Request

Additional Context

[bearomorphism]

👍👍👍

[Lee-W]

We could probably add a comment mentioning that it will later be parsed as list[int]. A bit confusing at the first glance

[gbaian10]

Fixed

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.82%. Comparing base (c0220cd) to head (b5b76a0).
Report is 5 commits behind head on refactors.

Additional details and impacted files

@@            Coverage Diff             @@
##           refactors    #1479   +/-   ##
==========================================
  Coverage      97.82%   97.82%           
==========================================
  Files             57       57           
  Lines           2618     2619    +1     
==========================================
+ Hits            2561     2562    +1     
  Misses            57       57           

Flag	Coverage Δ
unittests	97.82% <100.00%> (+<0.01%)	⬆️

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