Remove async from disconnect(reason:)

This isn’t async anymore.

Author: tkrajacic

Sources/StructuredWebSocketClient/WebSocketClient.swift

@@ -82,7 +82,7 @@ public final class WebSocketClient: Sendable {
         }
     }
 
-    public func disconnect(reason: String?) async {
+    public func disconnect(reason: String?) {
         self.transport.close(with: .normalClosure, reason: Data(reason?.utf8 ?? "Closing connection".utf8))
     }
 

Tests/StructuredWebSocketClientTests/WebSocketClientTests.swift

@@ -104,7 +104,7 @@ final class WebSocketClientTests: XCTestCase {
                         XCTAssertEqual(metadata.number, 1)
                         logger.trace("message \(String(reflecting: metadata)) \(message.loggingDescription)")
                         expectation.fulfill()
-                        await client.disconnect(reason: "done testing")
+                        client.disconnect(reason: "done testing")
                     }
                 }
             }