Fix: Updated dependencies

src/Blob/Controllers/BlobController.cs

@@ -156,7 +156,7 @@ namespace Coscine.Api.Blob.Controllers
                 var response = await resourceTypeDefinition.LoadEntry(resource.Id.ToString(), path, null, resourceTypeOptions);
                 new FileExtensionContentTypeProvider().TryGetContentType(path.Substring(path.LastIndexOf("/")), out string contentType);
                 LogAnalytics("Download File", resourceId, path.Substring(1), user);
-                return File(response, contentType);
+                return File(response, contentType ?? "application/octet-stream");
             }
             catch
             {