[ReleasePR machinelearningexperimentation] Typo in url, missing forwa…

…rd slash (#1512)

Create to sync Azure/azure-rest-api-specs#13020
[ReCreate this PR](https://github.com/azure-resource-manager-schemas/compare/master...AzureSDKAutomation:sdkAuto/machinelearningexperimentation?expand=1)

schemas/2017-05-01-preview/Microsoft.MachineLearningExperimentation.json

@@ -470,4 +470,4 @@
       "description": "The properties of a machine learning team account workspace."
     }
   }
-}
+}