[dotnet] Update cdp default command timeout in inline docs (#12707)

Author: nvborisenko

dotnet/src/webdriver/DevTools/DevToolsSession.cs

@@ -86,7 +86,7 @@ public DevToolsSession(string endpointAddress)
         public event EventHandler<DevToolsEventReceivedEventArgs> DevToolsEventReceived;
 
         /// <summary>
-        /// Gets or sets the time to wait for a command to complete. Default is 5 seconds.
+        /// Gets or sets the time to wait for a command to complete. Default is 30 seconds.
         /// </summary>
         public TimeSpan CommandTimeout { get; set; }