Enable Ruff S101 - Checks for uses of the assert keyword.

[Lee-W]

Description

https://docs.astral.sh/ruff/rules/assert/#assert-s101

• style(ruff): enable S101 check to avoid assert usage in production code
• build(tox): add 3.14 support
• build: update dev dependencies

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 and fix any broken links (internal or external) 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

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 98.21%. Comparing base (120d514) to head (1acdc4a).
⚠️ Report is 808 commits behind head on master.

Files with missing lines	Patch %	Lines
commitizen/commands/changelog.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1642      +/-   ##
==========================================
+ Coverage   97.33%   98.21%   +0.88%     
==========================================
  Files          42       58      +16     
  Lines        2104     2695     +591     
==========================================
+ Hits         2048     2647     +599     
+ Misses         56       48       -8     

Flag	Coverage Δ
unittests	98.21% <50.00%> (+0.88%)	⬆️

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