chore: Fix clippy warning (#1346)

tonic-health/src/server.rs

@@ -155,6 +155,7 @@ impl Health for HealthService {
             let status = crate::pb::health_check_response::ServingStatus::from(*status_rx.borrow()) as i32;
             yield HealthCheckResponse { status };
 
+            #[allow(clippy::redundant_pattern_matching)]
             while let Ok(_) = status_rx.changed().await {
                 let status = crate::pb::health_check_response::ServingStatus::from(*status_rx.borrow()) as i32;
                 yield HealthCheckResponse { status };

tonic/src/status.rs

@@ -423,7 +423,7 @@ impl Status {
         }
 
         if let Some(h2_err) = err.source().and_then(|e| e.downcast_ref::<h2::Error>()) {
-            let code = Status::code_from_h2(&h2_err);
+            let code = Status::code_from_h2(h2_err);
             let status = Self::new(code, format!("h2 protocol error: {}", err));
 
             return Some(status);