docs: remove v2 warning #282

Job	Run time
Test with default inputs (4.11.1, ubuntu-latest)	9s
Test with standalone (ubuntu-latest, true)	14s
Test with default inputs (4.11.1, macos-latest)	12s
Test with dest (4.11.1, ubuntu-latest)	9s
Test with standalone (ubuntu-latest, false)	12s
Test with run_install (null, ubuntu-latest)	9s
Test with default inputs (4.11.1, windows-latest)	49s
Test with dest (4.11.1, macos-latest)	11s
Test with run_install (empty object, ubuntu-latest)	11s
Test with dest (4.11.1, windows-latest)	49s
Test with run_install (recursive, ubuntu-latest)	14s
Test with run_install (global, ubuntu-latest)	14s
Test with standalone (macos-latest, true)	10s
Test with run_install (array, ubuntu-latest)	17s
Test with standalone (macos-latest, false)	7s
Test with run_install (null, macos-latest)	11s
Test with standalone (windows-latest, true)	45s
Test with run_install (empty object, macos-latest)	14s
Test with standalone (windows-latest, false)	26s
Test with run_install (recursive, macos-latest)	14s
Test with run_install (global, macos-latest)	15s
Test with run_install (array, macos-latest)	19s
Test with run_install (null, windows-latest)	50s
Test with run_install (empty object, windows-latest)	1m 17s
Test with run_install (recursive, windows-latest)	53s
Test with run_install (global, windows-latest)	53s
Test with run_install (array, windows-latest)	1m 2s
	11m 26s

Provide feedback