github: build `rust-project` as well #41

Job	Run time
Get the latest prelude hash	3s
build (ubuntu-22.04, aarch64-unknown-linux-gnu, true)	8m 50s
build (ubuntu-22.04, aarch64-unknown-linux-musl, true)	8m 47s
build (ubuntu-22.04, x86_64-unknown-linux-gnu)	8m 18s
build (ubuntu-22.04, x86_64-unknown-linux-musl, true)	8m 30s
build (macos-12, aarch64-apple-darwin, true)	21m 58s
build (macos-12, x86_64-apple-darwin)	28m 35s
build (windows-2022, x86_64-pc-windows-msvc, true)	17m 3s
Publish buck2.build	5s
Release `latest` tag	15s
Check if there's a release for this half of the month already	2s
Release bi-monthly tag	57s
	1h 43m 23s

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