Add .python-version to .gitignore #2365

Job	Run time
Shellcheck	5s
Cache identify	7s
Dependency	6s
Prepare	7s
Ruff check and force	7s
Check commit	33s
Run pytest using Python 3.13	25s
Process test coverage	11s
Run mypy	0s
Process test complexity	9s
Build and publish Python 🐍 distributions 📦 to TestPyPI	24s
	2m 14s

Provide feedback