style: cargo fmt sweep under rustc 1.97.1 (toolchain reformat, no semantic change)

src/monitor.rs

@@ -171,7 +171,10 @@ pub fn monitor<A>(target: Pid<A>) -> Monitor {
     });
 
     if !registered {
-        let _ = tx.send(Down { pid: target, reason: DownReason::NoProc });
+        let _ = tx.send(Down {
+            pid: target,
+            reason: DownReason::NoProc,
+        });
     }
 
     Monitor { id, target, rx }