Update manpage and completions. #29320

Job	Run time
syntax	45s
cask audit	2m 57s
vendored gems	43s
docker	5m 5s
formula audit	6m 56s
tap syntax	5m 6s
test default formula (Ubuntu 22.04)	4m 35s
test default formula (Ubuntu 20.04)	6m 51s
tests (online)	8m 54s
update-test (Ubuntu 22.04)	23s
test default formula (macOS 13 x86_64)	2m 21s
tests (generic OS)	6m 23s
test default formula (macOS 14 arm64)	1m 14s
update-test (macOS 13)	23s
tests (Ubuntu 22.04)	6m 19s
tests (Ubuntu 20.04)	7m 50s
tests (macOS 13 x86_64)	6m 38s
tests (macOS 14 arm64)	4m 56s
	1h 18m 19s

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