Update src/Microsoft.OpenApi/Reader/OpenApiModelFactory.cs

Co-authored-by: Vincent Biret <[email protected]>

Author: MaggieKimani1

src/Microsoft.OpenApi/Reader/OpenApiModelFactory.cs

@@ -228,7 +228,7 @@ 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)