Update manpage and completions. #29211

Job	Run time
syntax	46s
vendored gems	37s
tap syntax	4m 46s
cask audit	3m 7s
docker	4m 45s
formula audit	6m 40s
test default formula (Ubuntu 22.04)	4m 19s
update-test (Ubuntu 22.04)	22s
test default formula (Ubuntu 20.04)	6m 27s
tests (online)	8m 57s
update-test (macOS 13)	23s
test default formula (macOS 13 x86_64)	3m 23s
tests (generic OS)	5m 53s
test default formula (macOS 14 arm64)	1m 16s
tests (Ubuntu 22.04)	6m 2s
tests (Ubuntu 20.04)	7m 40s
tests (macOS 13 x86_64)	7m 37s
tests (macOS 14 arm64)	4m 37s
	1h 17m 37s

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