ci: streamline CI actions to prepare for merge queue introduction #22

Job	Run time
build-freebsd	36m 51s
build-all-features (x86_64-unknown-linux-gnu)	3m 37s
build-linux-master	0s
build-linux-pr (dev, x86_64-unknown-linux-gnu)	7m 48s
build-linux-pr (dev, armv7-unknown-linux-gnueabihf)	1m 3s
build-linux-stable	0s
build-linux-pr (dev, aarch64-linux-android)	1m 10s
build-macos (x86_64-apple-darwin, dev)	14m 7s
build-windows-master	0s
build-linux-pr (release, x86_64-unknown-linux-gnu)	3m 0s
build-macos (x86_64-apple-darwin, release)	3m 30s
build-linux-pr (release, armv7-unknown-linux-gnueabihf)	1m 52s
build-macos (aarch64-apple-darwin, dev)	5m 17s
build-linux-pr (release, aarch64-linux-android)	2m 43s
build-macos (aarch64-apple-darwin, release)	6m 59s
build-windows-pr (x86_64-pc-windows-msvc, dev)	8m 35s
build-windows-pr (x86_64-pc-windows-msvc, release)	5m 41s
build-windows-stable	0s
check	38s
doc	5s
conclusion	1s
	1h 42m 57s

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