Add ContractArgs for building function args #4433

Job	Run time
build-fuzz	1m 6s
check-git-rev-deps	17s
cargo-deny (advisories)	32s
build-and-test (msrv, ubuntu-latest, x86_64-unknown-linux-gnu)	39s
cargo-deny (bans licenses sources)	37s
docs	31s
build-and-test (msrv, ubuntu-latest, aarch64-unknown-linux-gnu, true)	57s
fmt	23s
build-and-test (msrv, windows-latest, x86_64-pc-windows-msvc)	1m 14s
publish-dry-run	0s
build-and-test (latest, ubuntu-latest, x86_64-unknown-linux-gnu)	36s
readme	26s
build-and-test (latest, ubuntu-latest, aarch64-unknown-linux-gnu, true)	31s
semver-checks	27s
build-and-test (latest, windows-latest, x86_64-pc-windows-msvc)	1m 13s
complete	1s
	9m 30s

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