feat(command): Add custom command #785

Job	Run time
test (ubuntu-latest, 26.3, false)	57s
test (ubuntu-latest, 27.2, false)	49s
test (ubuntu-latest, 28.2, false)	53s
test (ubuntu-latest, 29.1, false)	48s
test (macos-latest, 26.3, false)	2m 0s
test (macos-latest, 27.2, false)	3m 2s
test (macos-latest, 28.2, false)	2m 15s
test (macos-latest, 29.1, false)	2m 54s
test (windows-latest, 26.3, false)	2m 33s
test (windows-latest, 27.2, false)	1m 28s
test (windows-latest, 28.2, false)	1m 16s
test (windows-latest, 29.1, false)	1m 47s
test (ubuntu-latest, snapshot, true)	41s
test (macos-latest, snapshot, true)	2m 36s
test (windows-latest, snapshot, true)	1m 17s
	25m 16s

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