Update manpage and completions. #31040

Job	Run time
syntax	42s
cask audit	2m 21s
tap syntax	8m 55s
formula audit	4m 24s
test default formula (Ubuntu 22.04)	1m 38s
test default formula (Ubuntu 20.04)	2m 52s
tests (online)	4m 58s
update-test (Ubuntu 22.04)	21s
test default formula (macOS 13 x86_64)	6m 53s
tests (generic OS)	2m 45s
vendored gems	47s
update-test (macOS)	25s
test default formula (macOS 15 arm64)	1m 19s
tests (Ubuntu 22.04)	3m 8s
tests (Ubuntu 20.04)	4m 0s
tests (macOS 13 x86_64)	8m 12s
tests (macOS 15 arm64)	4m 49s
	58m 29s

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