ci: streamline CI actions to prepare for merge queue introduction #20

Job	Run time
build-linux-master	0s
build-all-features (x86_64-unknown-linux-gnu)	6m 13s
build-freebsd	3m 0s
build-linux-pr (dev, x86_64-unknown-linux-gnu)	8m 45s
build-linux-pr (dev, armv7-unknown-linux-gnueabihf)	59s
build-linux-pr (dev, aarch64-linux-android)	3m 2s
build-linux-stable	0s
build-linux-pr (release, x86_64-unknown-linux-gnu)	5m 40s
build-linux-pr (release, armv7-unknown-linux-gnueabihf)	2m 9s
build-macos (x86_64-apple-darwin, dev)	8m 41s
build-windows-master	0s
build-linux-pr (release, aarch64-linux-android)	4m 10s
build-macos (x86_64-apple-darwin, release)	7m 26s
build-windows-pr (x86_64-pc-windows-msvc, dev)	8m 36s
build-macos (aarch64-apple-darwin, dev)	7m 16s
build-macos (aarch64-apple-darwin, release)	5m 55s
build-windows-pr (x86_64-pc-windows-msvc, release)	6m 17s
build-windows-stable	0s
check	1m 24s
Documentation	3s
conclusion	1s
	1h 19m 37s

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