refactor: install clang tools on demand #610

Job	Run time
Build FreeBSD	4m 13s
Build i686-pc-windows-msvc	10m 5s
Build aarch64-unknown-linux-gnu	3m 40s
Build x86_64-unknown-linux-gnu	3m 15s
Build x86_64-pc-windows-msvc	4m 38s
Build x86_64-unknown-linux-musl	3m 41s
Build aarch64-apple-darwin	3m 21s
Build x86_64-apple-darwin	4m 1s
Build aarch64-unknown-linux-musl	3m 40s
Build aarch64-pc-windows-msvc	5m 25s
Build armv7-unknown-linux-gnueabihf	3m 35s
Test aarch64-apple-darwin - node@20	20s
Test aarch64-pc-windows-msvc - node@20	47s
Test x86_64-pc-windows-msvc - node@20	50s
Test aarch64-pc-windows-msvc - node@22	45s
Test x86_64-unknown-linux-gnu - node@20	16s
Test x86_64-unknown-linux-musl - node@20	21s
Test x86_64-apple-darwin - node@22	47s
Test aarch64-apple-darwin - node@22	13s
Test aarch64-unknown-linux-musl - node@20	26s
Test x86_64-unknown-linux-gnu - node@22	20s
Test x86_64-unknown-linux-musl - node@22	22s
Test armv7-unknown-linux-gnueabihf - node@22	42s
Test aarch64-unknown-linux-musl - node@22	38s
Test aarch64-unknown-linux-gnu - node@20	26s
Test x86_64-apple-darwin - node@20	51s
Test armv7-unknown-linux-gnueabihf - node@20	41s
Test aarch64-unknown-linux-gnu - node@22	35s
Test x86_64-pc-windows-msvc - node@22	46s
Publish	14s
	59m 54s

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