Update manpage and completions. #30528

Job	Run time
syntax	45s
cask audit	2m 47s
formula audit	4m 28s
tap syntax	6m 47s
test default formula (Ubuntu 22.04)	1m 28s
tests (online)	5m 50s
test default formula (Ubuntu 20.04)	3m 9s
update-test (Ubuntu 22.04)	22s
tests (generic OS)	3m 0s
test default formula (macOS 13 x86_64)	3m 49s
update-test (macOS)	25s
tests (Ubuntu 22.04)	3m 7s
test default formula (macOS 15 arm64)	1m 19s
tests (Ubuntu 20.04)	4m 13s
vendored gems	41s
tests (macOS 13 x86_64)	12m 53s
tests (macOS 15 arm64)	5m 39s
	1h 0m 42s

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