tinymist::ci

ci: generate announcement (#1170) (#1225) #557

Job	Run time
build (win32-x64)	34m 28s
build (win32-arm64)	20m 18s
build (alpine-x64)	16m 34s
build (web)	1m 16s
build (linux-x64)	16m 57s
build (linux-arm64)	9m 43s
build (linux-armhf)	9m 33s
Check clippy, formatting, and documentation	2m 52s
Duplicate Actions Detection	7s
build (darwin-x64)	20m 21s
Check minimum Rust version	2m 18s
build (darwin-arm64)	22m 37s
release	1m 24s
publish	0s
	2h 38m 28s

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