Further expand clippy workspace lints

Achieves a notable amount of reduced async and clones.

tests/processor/src/lib.rs

@@ -314,7 +314,7 @@ impl Coordinator {
         let res: Option<String> =
           rpc.rpc_call("submitblock", serde_json::json!([hex::encode(block)])).await.unwrap();
         if let Some(err) = res {
-          panic!("submitblock failed: {}", err);
+          panic!("submitblock failed: {err}");
         }
       }
       NetworkId::Ethereum => todo!(),

tests/processor/src/networks.rs

@@ -361,7 +361,7 @@ impl Wallet {
           None,
           these_inputs.drain(..).zip(decoys.drain(..)).collect(),
           vec![(to_addr, AMOUNT)],
-          Change::new(view_pair, false),
+          &Change::new(view_pair, false),
           data,
           rpc.get_fee(Protocol::v16, FeePriority::Low).await.unwrap(),
         )