Fix #388 - python3.8 type hint compatibility

[jpavlav]

This should address the following error when running bump-my-version in a python3.8 environment:

    def is_subpath(parent: Path | str, path: Path | str) -> bool:
TypeError: unsupported operand type(s) for |: 'type' and 'type'

#288

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.43%. Comparing base (cd2b193) to head (0c67fa6).
Report is 5 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #289      +/-   ##
==========================================
- Coverage   93.49%   93.43%   -0.06%     
==========================================
  Files          28       28              
  Lines        1828     1829       +1     
  Branches      284      195      -89     
==========================================
  Hits         1709     1709              
- Misses         91       93       +2     
+ Partials       28       27       -1     

Flag	Coverage Δ
python-3.10	93.43% <100.00%> (-0.06%)	⬇️
python-3.11	93.43% <100.00%> (-0.06%)	⬇️
python-3.12	93.43% <100.00%> (-0.06%)	⬇️
python-3.13	93.43% <100.00%> (-0.06%)	⬇️
python-3.9	93.43% <100.00%> (-0.06%)	⬇️

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[Aleks-Ya]

Unfortunately, still experiencing this error on bump-my-version 0.31.0:

bump-my-version bump minor -v
Traceback (most recent call last):
  File "/home/aleks/.pyenv/versions/3.9.18/envs/cross-field-highlighter-anki-addon/bin/bump-my-version", line 5, in <module>
    from bumpversion.cli import cli
  File "/home/aleks/.pyenv/versions/3.9.18/envs/cross-field-highlighter-anki-addon/lib/python3.9/site-packages/bumpversion/cli.py", line 18, in <module>
    from bumpversion.show import do_show
  File "/home/aleks/.pyenv/versions/3.9.18/envs/cross-field-highlighter-anki-addon/lib/python3.9/site-packages/bumpversion/show.py", line 13, in <module>
    from bumpversion.scm.models import SCMInfo
  File "/home/aleks/.pyenv/versions/3.9.18/envs/cross-field-highlighter-anki-addon/lib/python3.9/site-packages/bumpversion/scm/models.py", line 72, in <module>
    class SCMTool(Protocol):
  File "/home/aleks/.pyenv/versions/3.9.18/envs/cross-field-highlighter-anki-addon/lib/python3.9/site-packages/bumpversion/scm/models.py", line 85, in SCMTool
    def add_path(self, path: str | Path) -> None:
TypeError: unsupported operand type(s) for |: 'type' and 'type'

Version:

pip show bump-my-version
Name: bump-my-version
Version: 0.31.0

Python:

python -V
Python 3.9.18

[coordt]

@Aleks-Ya

What I really want to know is how my Python3.9 tests are passing!

Fix incoming.

[Aleks-Ya]

@coordt , FYI in version bump-my-version-0.32.2 the error has disappeared. Thank you for fix!