chore: exclude .python-version from package distribution #66

Job	Run time
Build Package	12s
Lint and Format	11s
Test (py3.13, windows-latest)	11m 14s
Test (py3.9, ubuntu-latest)	1m 32s
Test npx fallback (py3.12, windows-latest)	3m 11s
Test (py3.13, ubuntu-latest)	1m 32s
Test npx fallback (py3.12, ubuntu-latest)	1m 23s
Test (py3.9, windows-latest)	10m 35s
Type Check	13s
CI Success	3s
	30m 6s

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