chore: apply `clippy`

src/client.rs

@@ -122,7 +122,7 @@ pub fn connect_with_config<Req: IntoClientRequest>(
         let mut builder = Request::builder()
             .uri(uri.clone())
             .method(parts.method.clone())
-            .version(parts.version.clone());
+            .version(parts.version);
         *builder.headers_mut().expect("Failed to create `Request`") = parts.headers.clone();
         builder.body(()).expect("Failed to create `Request`")
     }

src/protocol/frame/coding.rs

@@ -190,14 +190,7 @@ pub enum CloseCode {
 impl CloseCode {
     /// Check if this CloseCode is allowed.
     pub fn is_allowed(self) -> bool {
-        match self {
-            Bad(_) => false,
-            Reserved(_) => false,
-            Status => false,
-            Abnormal => false,
-            Tls => false,
-            _ => true,
-        }
+        !matches!(self, Bad(_) | Reserved(_) | Status | Abnormal | Tls)
     }
 }