Fix bumping only on the first few matches

[Lee-W]

Description

• Fix bumping only on the first few matches
• fix error due to bumping version file without eol through regex
  • see tests/test_bump_update_version_in_files/test_multiplt_versions_to_bump_without_eol_.toml in 943d873 as example, our original bumping mechanism will not bump the last one.

Checklist

• Add test cases to all the changes you introduce
• Run ./script/format and ./script/test locally to ensure this change passes linter check and test
• Test the changes on the local machine manually
• Update the documentation for the changes

Expected behavior

Bump all version specified in version_files

Steps to Test This Pull Request

1. git clone //github.com/pedrorrivero/qrand
2. git checkout 0.3.0a0
3. cz bump

Additional context

[Lee-W]

@woile I'm thinking of refactoring test through pytest-regressions like this commit. What do you think? Basically, it checks whether our result in this round is different from the previous round. By doing so, we can check whether the content is exactly the same instead of check only a few lines.

[codecov]

Codecov Report

Merging #386 (801a715) into master (e107411) will increase coverage by 0.21%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #386      +/-   ##
==========================================
+ Coverage   97.67%   97.89%   +0.21%     
==========================================
  Files          39       39              
  Lines        1378     1375       -3     
==========================================
  Hits         1346     1346              
+ Misses         32       29       -3     

Flag	Coverage Δ
unittests	97.89% <100.00%> (+0.21%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
commitizen/__version__.py	100.00% <100.00%> (ø)
commitizen/bump.py	100.00% <100.00%> (ø)
commitizen/config/toml_config.py	100.00% <100.00%> (ø)
commitizen/git.py	100.00% <0.00%> (+3.37%)	⬆️

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[Lee-W]

@woile I accidentally find another bug and fixed it. Could you please check again? In tests/test_bump_update_version_in_files/test_multiplt_versions_to_bump_without_eol_.toml on 943d873, our original bumping mechanism will not bump the last line. This has been fixed on e0af6a2. If it looks good, I think we're ready to merge.

[woile]

Niceee, LGTM!