Timeout if the web request takes too long

Author: nosami

main/src/addins/MonoDevelop.AspNetCore/MonoDevelop.AspNetCore.Scaffolding/Configuration/ScaffoldingConfig.cs

@@ -75,7 +75,9 @@ public static async Task<ScaffoldingConfig> LoadFromJsonAsync ()
 		{
 			if(fetchedConfig == null) {
 				Stream stream;
-				using var httpClient = new HttpClient ();
+				using var httpClient = new HttpClient {
+					Timeout = TimeSpan.FromSeconds (2)
+				};
 
 				try {
 					stream = await httpClient.GetStreamAsync (packageVersionsUrl);