feat: Accept rest arguments after command line separator #666

Job	Run time
test (ubuntu-latest, 26.3, false)	40s
test (ubuntu-latest, 27.2, false)	33s
test (ubuntu-latest, 28.2, false)	39s
test (ubuntu-latest, 29.1, false)	1m 4s
test (macos-latest, 26.3, false)	2m 34s
test (macos-latest, 27.2, false)	3m 15s
test (macos-latest, 28.2, false)	2m 45s
test (macos-latest, 29.1, false)	5m 2s
test (windows-latest, 26.3, false)	1m 39s
test (windows-latest, 27.2, false)	50s
test (windows-latest, 28.2, false)	58s
test (windows-latest, 29.1, false)	56s
test (ubuntu-latest, snapshot, true)	32s
test (macos-latest, snapshot, true)	1m 46s
test (windows-latest, snapshot, true)	56s
	24m 9s

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