Rust

Update packaging and CI #279

Job	Run time
cargo-mobile2	6s
check	1m 19s
cargo-ndk	5s
docs	41s
format	8s
build (stable, debug, armv7-linux-androideabi)	1m 20s
build (stable, debug, aarch64-linux-android)	1m 15s
build (stable, debug, i686-linux-android)	1m 22s
build (stable, debug, x86_64-linux-android)	1m 7s
build (stable, release, armv7-linux-androideabi)	1m 11s
build (stable, release, aarch64-linux-android)	2m 4s
build (stable, release, i686-linux-android)	47s
build (stable, release, x86_64-linux-android)	49s
build (nightly, debug, armv7-linux-androideabi)	1m 13s
build (nightly, debug, aarch64-linux-android)	1m 9s
build (nightly, debug, i686-linux-android)	1m 18s
build (nightly, debug, x86_64-linux-android)	1m 40s
build (nightly, release, armv7-linux-androideabi)	1m 14s
build (nightly, release, aarch64-linux-android)	1m 7s
build (nightly, release, i686-linux-android)	1m 5s
build (nightly, release, x86_64-linux-android)	1m 16s
update-bindings	15s
build-demo	4m 49s
release	0s
publish	0s
	27m 20s

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