feat: add include and exclude path to the config

[Kriskras99]

Description

This PR adds the option of setting include_path and exclude_path in the config file.

Motivation and Context

Closes #1168.
This is useful if you have tools calling git-cliff (like release-plz) that don't give the ability
to set command line arguments.

How Has This Been Tested?

Testing exclude_path

1. Run git-cliff | wc -l and note the amount of lines
2. Run git-cliff --exclude-path git-cliff-core/ | wc -l and note the amount of lines
3. Set exclude-paths = ["git-cliff-core/"]
4. Run git-cliff | wc -l and note the amount of lines
   The output of step 4 should equal the output of step 2 and not equal the output of step 1

Testing include_path

1. Run git-cliff | wc -l and note the amount of lines
2. Run git-cliff --include-path git-cliff/ --include-path git-cliff-core/ | wc -l and note the amount of lines
3. Set include_paths = ["git-cliff/", "git-cliff-core/"]
4. Run git-cliff | wc -l and note the amount of lines
   The output of step 4 should equal the output of step 2 and not equal the output of step 1

Both tests were run in the root of the git-cliff repository on a Linux machine.

I could not figure out how to mock commits with changed files and thus have not written any unit/integration tests.

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.

[welcome]

Thanks for opening this pull request! Please check out our contributing guidelines! ⛰️

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 25 lines in your changes missing coverage. Please review.

Project coverage is 41.87%. Comparing base (871c3c9) to head (19afa3d).

Files with missing lines	Patch %	Lines
git-cliff/src/lib.rs	0.00%	17 Missing ⚠️
git-cliff-core/src/config.rs	0.00%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1173      +/-   ##
==========================================
- Coverage   42.35%   41.87%   -0.47%     
==========================================
  Files          21       21              
  Lines        1991     2011      +20     
==========================================
- Hits          843      842       -1     
- Misses       1148     1169      +21     

Flag	Coverage Δ
unit-tests	41.87% <0.00%> (-0.47%)	⬇️

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[orhun]

LGTM, thanks!

[welcome]

Congrats on merging your first pull request! ⛰️