fix: use full npx path for Windows compatibility #35

Job	Run time
Lint and Format	8s
Type Check	13s
Build Package	8s
Test npx fallback on ubuntu-latest	10m 25s
Test npx fallback on macos-latest	10m 27s
Test npx fallback on windows-latest	37s
Test Python 3.13	10m 25s
Test Python 3.9	10m 23s
Test Python 3.9	10m 26s
Test Python 3.13	10m 22s
Test Python 3.13	10m 24s
Test Python 3.9	9m 8s
CI Success	3s
	1h 23m 9s

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