test: update pnpm to v9 #299

Job	Run time
Test with standalone (ubuntu-latest, true)	14s
Test with default inputs (9.15.5, ubuntu-latest)	11s
Test with standalone (ubuntu-latest, false)	7s
Test with dest (9.15.5, ubuntu-latest)	8s
Test with default inputs (9.15.5, macos-latest)	9s
Test with standalone (macos-latest, true)	12s
Test with dest (9.15.5, macos-latest)	8s
Test with default inputs (9.15.5, windows-latest)	28s
Test with standalone (macos-latest, false)	11s
Test with dest (9.15.5, windows-latest)	18s
Test with run_install (null, ubuntu-latest)	5s
Test with standalone (windows-latest, true)	44s
Test with run_install (empty object, ubuntu-latest)	6s
Test with standalone (windows-latest, false)	26s
Test with run_install (recursive, ubuntu-latest)	9s
Test with run_install (global, ubuntu-latest)	7s
Test with run_install (array, ubuntu-latest)	13s
Test with run_install (null, macos-latest)	11s
Test with run_install (empty object, macos-latest)	8s
Test with run_install (recursive, macos-latest)	7s
Test with run_install (global, macos-latest)	13s
Test with run_install (array, macos-latest)	11s
Test with run_install (null, windows-latest)	36s
Test with run_install (empty object, windows-latest)	21s
Test with run_install (recursive, windows-latest)	20s
Test with run_install (global, windows-latest)	37s
Test with run_install (array, windows-latest)	29s
	7m 9s

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