[GitHub action] add python_version support

[konstruktoid]

Add python_version support.
https://github.com/konstruktoid/ansible-role-docker-rootless/actions/runs/18915730561/job/53998459546#logs

Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.14.0/x64/bin/ansible-lint", line 3, in <module>
    from ansiblelint.__main__ import _run_cli_entrypoint
  File "/opt/hostedtoolcache/Python/3.14.0/x64/lib/python3.14/site-packages/ansiblelint/__main__.py", line 36, in <module>
    from ansible_compat.prerun import get_cache_dir
  File "/opt/hostedtoolcache/Python/3.14.0/x64/lib/python3.14/site-packages/ansible_compat/prerun.py", line 22, in <module>
    raise RuntimeError(msg)
RuntimeError: Python 3.14 requires ansible-core version >= 2.20.0, and we found 2.19.3.
Error: Process completed with exit code 1.

[github-actions]

Label error. Requires exactly 1 of: breaking, build, chore, ci, docs, feat, fix, perf, refactor, style, test. Found: . Follow https://www.conventionalcommits.org to get auto-labeling to work correctly.

[konstruktoid]

Reference workflow:
https://github.com/konstruktoid/ansible-role-docker-rootless/actions/runs/18916562673

https://github.com/konstruktoid/ansible-role-docker-rootless/actions/runs/18916562673/workflow

[konstruktoid]

Closes #4830

[jtonl]

Thanks for this @konstruktoid, though it gave me a good chuckle why it wasn't in the codebase before.