feat: rpc::Client #7692

Job	Run time
Build Ubuntu	9m 19s
Build MacOS	3m 19s
cargo-publish-dry-run	6m 16s
Forest CLI checks	3m 52s
Calibnet stateless mode check	2m 7s
State migrations	3m 37s
Calibnet check	2m 29s
Snapshot export checks	4m 21s
Calibnet kademlia checks	2m 19s
Calibnet no discovery checks	59s
Wallet tests	3m 2s
Calibnet RPC checks	3m 11s
db-migration-checks	4m 35s
db-migration-checks-car-db	3m 38s
Devnet checks	3m 49s
	56m 53s

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