Rust

Implement BLS12-381 `contracttype` support #4718

Job	Run time
check-git-rev-deps	6s
fmt	6s
cargo-deny (advisories)	36s
cargo-deny (bans licenses sources)	39s
semver-checks	5m 50s
readme	39s
build-fuzz	47s
docs	2m 4s
build-and-test (msrv, ubuntu-latest, x86_64-unknown-linux-gnu)	5m 3s
build-and-test (latest, ubuntu-latest, x86_64-unknown-linux-gnu)	5m 53s
build-and-test (msrv, ubuntu-latest, aarch64-unknown-linux-gnu, true)	2m 8s
build-and-test (latest, ubuntu-latest, aarch64-unknown-linux-gnu, true)	1m 48s
build-and-test (latest, windows-latest, x86_64-pc-windows-msvc)	9m 41s
migration-docs	9s
publish-dry-run	0s
build-and-test (msrv, windows-latest, x86_64-pc-windows-msvc)	9m 39s
complete	4s
	45m 12s

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