Update manpage and completions. #39588

Job	Run time
syntax	55s
tap syntax	7m 23s
formula audit	6m 15s
cask audit	2m 28s
vendored gems	45s
update-test (macOS)	27s
update-test (Linux)	28s
tests (online)	12m 16s
tests (generic OS)	8m 4s
tests (Linux)	9m 30s
test-bot (Linux x86_64)	3m 7s
test-bot (macOS x86_64)	5m 42s
tests (macOS)	15m 57s
test-bot (Linux arm64)	2m 50s
test-bot (macOS arm64)	4m 30s
bundle and services (macOS)	2m 54s
analytics (Linux)	1m 29s
bundle and services (Linux)	3m 21s
analytics (macOS)	4m 0s
test-bot (Linux Homebrew glibc)	6m 21s
	1h 38m 42s

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