Switch from ubuntu-latest to ubuntu-22.04 #2522

Job	Run time
Check Rust	6m 56s
Vet Dependencies	2m 54s
Test ironfish-rust (1/2)	6m 21s
Test ironfish-rust (2/2)	5m 55s
Test ironfish-rust (all features) (1/2)	3m 38s
Test ironfish-rust (all features) (2/2)	3m 27s
Test ironfish-rust (no default features) (1/2)	1m 24s
Test ironfish-rust (no default features) (2/2)	1m 23s
Test ironfish-rust-wasm	2m 19s
Test ironfish-zkp	2m 10s
Lint Rust	1m 18s
	37m 45s

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