Refac CI: reorganize it and make it run faster for PRs #1491

Job	Run time
clippy-rustfmt	1m 6s
build (false, false, false, x86_64-unknown-linux-gnu)	1m 22s
build (false, false, false, x86_64-pc-windows-gnu)	4m 10s
build (false, false, false, x86_64-pc-windows-msvc)	3m 26s
build (false, false, false, aarch64-pc-windows-msvc)	2m 20s
build (false, false, false, x86_64-apple-darwin)	1m 58s
build (false, false, false, x86_64-unknown-linux-musl)	1m 53s
build (false, false, false, aarch64-unknown-linux-gnu)	9m 54s
build (false, false, false, aarch64-unknown-linux-musl)	8m 1s
build (false, false, false, armv7-unknown-linux-gnueabihf)	9m 23s
build (false, false, false, armv7-unknown-linux-musleabihf)	8m 8s
build (true, x86_64-unknown-linux-gnu)	2m 44s
build (true, x86_64-unknown-linux-gnu)	2m 39s
build (true, x86_64-unknown-linux-gnu)	3m 24s
github-release	0s
	1h 0m 28s

Provide feedback