feat(changelog): support failing on unmatched commits

[MeitarR]

Description

Added a new config fail_on_unmatched_commit for git.

Motivation and Context

solves #1284

How Has This Been Tested?

Screenshots / Logs (if applicable)

Types of Changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation (no code change)
• Refactor (refactoring production code)
• Other

Checklist:

• My code follows the code style of this project.
• I have updated the documentation accordingly.
• I have formatted the code with rustfmt.
• I checked the lints with clippy.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 4.76190% with 20 lines in your changes missing coverage. Please review.
✅ Project coverage is 43.51%. Comparing base (1e80739) to head (cb831aa).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
git-cliff-core/src/changelog.rs	4.77%	20 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1298      +/-   ##
==========================================
- Coverage   43.88%   43.51%   -0.36%     
==========================================
  Files          23       23              
  Lines        2220     2241      +21     
==========================================
+ Hits          974      975       +1     
- Misses       1246     1266      +20     

Flag	Coverage Δ
unit-tests	43.51% <4.77%> (-0.36%)	⬇️

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[orhun]

Nice, we should also add a test fixture for this

[orhun]

Looking good overall!

[orhun]

Looks good, only need to update the website about this new option :)

[MeitarR]

Looks good, only need to update the website about this new option :)

Added in 7e41a47

[orhun]

Thanks!