iOS 26 Simulator crash workaround (#738)

Author: hiroshihorie

Sources/LiveKit/Support/WebSocket.swift

@@ -15,6 +15,7 @@
  */
 
 import Foundation
+import Network
 
 typealias WebSocketStream = AsyncThrowingStream<URLSessionWebSocketTask.Message, Error>
 
@@ -32,6 +33,11 @@ final class WebSocket: NSObject, @unchecked Sendable, Loggable, AsyncSequence, U
     private let request: URLRequest
 
     private lazy var urlSession: URLSession = {
+        #if targetEnvironment(simulator)
+        if #available(iOS 26.0, *) {
+            nw_tls_create_options()
+        }
+        #endif
         let config = URLSessionConfiguration.default
         // explicitly set timeout intervals
         config.timeoutIntervalForRequest = TimeInterval(60)