Update CI config #2214

Job	Run time
cargo +stable build	1m 7s
cargo +beta build	1m 17s
cargo +nightly build	1m 16s
cargo bench	1m 13s
codegen	30s
cargo +1.36 build (futures-{core, io, sink})	1m 15s
cargo hack check --feature-powerset	1m 19s
cargo build --target thumbv7m-none-eabi	37s
cargo build --target thumbv6m-none-eabi	45s
cargo +1.56 build	1m 18s
cargo test (ubuntu-latest)	1m 16s
cargo test (macos-latest)	1m 12s
cargo test (windows-latest)	1m 11s
cargo test (ubuntu-latest, aarch64-unknown-linux-gnu)	1m 15s
cargo test (ubuntu-latest, armv7-unknown-linux-gnueabihf)	1m 14s
cargo test (ubuntu-latest, armv5te-unknown-linux-gnueabi)	1m 18s
cargo test (ubuntu-latest, i686-unknown-linux-gnu)	1m 12s
cargo clippy	41s
cargo minimal-versions build	37s
cargo miri test	1m 13s
cargo test -Z sanitizer=address	3s
cargo test -Z sanitizer=memory	5s
cargo test -Z sanitizer=thread	4s
cargo doc	26s
cargo fmt	14s
	22m 38s

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