fix: use full npx path for Windows compatibility #32

Job	Run time
Type Check	12s
Lint and Format	10s
Test npx fallback (Python 3.10 on windows-latest)	1m 5s
Test npx fallback (Python 3.12 on windows-latest)	1m 15s
Test npx fallback (Python 3.12 on macos-latest)	2m 1s
Test npx fallback (Python 3.12 on ubuntu-latest)	1m 35s
Test npx fallback (Python 3.10 on macos-latest)	1m 0s
Test npx fallback (Python 3.10 on ubuntu-latest)	6m 2s
Test Python 3.11	7m 23s
Test Python 3.10	7m 23s
Test Python 3.13	2m 48s
Test Python 3.12	4m 33s
Test Python 3.9	3m 40s
Build Package	10s
Test Python 3.9	2m 32s
Test Python 3.11	2m 37s
Test Python 3.11	3m 40s
Test Python 3.10	2m 29s
Test Python 3.10	2m 36s
Test Python 3.9	2m 51s
Test Python 3.12	2m 36s
Test Python 3.12	3m 56s
Test Python 3.13	2m 21s
Test Python 3.13	2m 31s
CI Success	3s
	1h 7m 29s

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