tinymist::ci

build: downgrade `tempfile` to 3.15.0 #567

Job	Run time
build (web)	1m 18s
Check clippy, formatting, and documentation	1m 37s
build (win32-x64)	18m 57s
build (alpine-x64)	0s
build (win32-arm64)	9s
Check minimum Rust version	56s
build (linux-x64)	8m 11s
Duplicate Actions Detection	4s
build (linux-arm64)	4s
build (linux-armhf)	6s
build (darwin-x64)	9s
build (darwin-arm64)	12m 23s
release	0s
publish	0s
	43m 54s

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