Merge branch 'mk/fix-json-reader' of https://github.com/microsoft/OpenAPI.NET into mk/fix-json-reader

Author: baywet

src/Microsoft.OpenApi/Reader/OpenApiModelFactory.cs

@@ -108,7 +108,7 @@ public static T Load<T>(MemoryStream input, OpenApiSpecVersion version, string f
         public static async Task<ReadResult> LoadAsync(string url, OpenApiReaderSettings settings = null)
         {
             var result = await RetrieveStreamAndFormatAsync(url);
-            return await LoadAsync(result.Item1, result.Item2, settings);
+            return await LoadAsync(result.Item1, result.Item2, settings).ConfigureAwait(false);
         }
 
         /// <summary>
@@ -230,7 +230,7 @@ private static async Task<OpenApiDiagnostic> LoadExternalRefsAsync(OpenApiDocume
             // Load this root document into the workspace
             var streamLoader = new DefaultStreamLoader(settings.BaseUrl);
             var workspaceLoader = new OpenApiWorkspaceLoader(openApiWorkSpace, settings.CustomExternalLoader ?? streamLoader, settings);
-            return await workspaceLoader.LoadAsync(new OpenApiReference() { ExternalResource = "/" }, document, format ?? OpenApiConstants.Json, null, cancellationToken);
+            return await workspaceLoader.LoadAsync(new OpenApiReference() { ExternalResource = "/" }, document, format ?? OpenApiConstants.Json, null, cancellationToken).ConfigureAwait(false);
         }
 
         private static ReadResult InternalLoad(MemoryStream input, string format, OpenApiReaderSettings settings)