Merge pull request #4354 from Azure/daschult/generatorVersion

Update generator version to use

swagger_to_sdk_config.json

@@ -5,7 +5,7 @@
       "nodejs": "",
       "license-header": "MICROSOFT_MIT_NO_VERSION",
       "sdkrel:node-sdks-folder": ".",
-      "use": "@microsoft.azure/autorest.nodejs@2.1.119"
+      "use": "@microsoft.azure/autorest.nodejs@2.1.121"
     },
     "advanced_options": {
       "clone_dir": "./azure-sdk-for-node"