fix: use full npx path for Windows compatibility #36

Job	Run time
Lint and Format	7s
Type Check	11s
Build Package	9s
Test npx fallback on windows-latest	43s
Test Python 3.9	15m 16s
Test npx fallback on macos-latest	15m 17s
Test Python 3.9	10m 37s
Test Python 3.13	15m 18s
Test Python 3.9	15m 19s
Test Python 3.13	15m 15s
Test Python 3.13	9m 46s
Test npx fallback on ubuntu-latest	15m 17s
CI Success	3s
	1h 53m 18s

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