refactor: install clang tools on demand #608

Job	Run time
Build FreeBSD	4m 14s
Build x86_64-pc-windows-msvc	5m 43s
Build aarch64-pc-windows-msvc	5m 23s
Build x86_64-unknown-linux-musl	3m 34s
Build aarch64-apple-darwin	4m 15s
Build x86_64-unknown-linux-gnu	3m 37s
Build armv7-unknown-linux-gnueabihf	3m 33s
Build aarch64-unknown-linux-musl	3m 24s
Build x86_64-apple-darwin	2m 56s
Build i686-pc-windows-msvc	4m 50s
Build aarch64-unknown-linux-gnu	3m 47s
Test aarch64-apple-darwin - node@20	21s
Test x86_64-pc-windows-msvc - node@20	39s
Test x86_64-apple-darwin - node@22	51s
Test x86_64-apple-darwin - node@20	56s
Test x86_64-unknown-linux-gnu - node@20	14s
Test x86_64-unknown-linux-musl - node@20	20s
Test aarch64-pc-windows-msvc - node@22	47s
Test aarch64-unknown-linux-gnu - node@20	37s
Test armv7-unknown-linux-gnueabihf - node@22	42s
Test x86_64-unknown-linux-gnu - node@22	13s
Test x86_64-pc-windows-msvc - node@22	54s
Test aarch64-pc-windows-msvc - node@20	51s
Test x86_64-unknown-linux-musl - node@22	21s
Test aarch64-unknown-linux-gnu - node@22	33s
Test armv7-unknown-linux-gnueabihf - node@20	37s
Test aarch64-apple-darwin - node@22	21s
Test aarch64-unknown-linux-musl - node@20	31s
Test aarch64-unknown-linux-musl - node@22	33s
Publish	12s
	55m 49s

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