Rust

feat: Add a broadcast channel to send job state event notifications #160

Job	Run time
check linux workspace	3m 26s
linux build test	4m 8s
windows test	12m 46s
test linux balista	6m 49s
verify benchmark results (amd64)	16m 20s
Lint	34s
macos test	12m 47s
test linux crates	6m 36s
Check Cargo.toml formatting (amd64, stable)	1m 17s
Clippy (amd64, stable)	3m 57s
cargo doc	3m 59s
	1h 12m 39s

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