chore: release 2.2.0 (#407)

Author: release-please[bot]

automl/package.json

@@ -16,7 +16,7 @@
     "!test/"
   ],
   "dependencies": {
-    "@google-cloud/automl": "^2.1.0",
+    "@google-cloud/automl": "^2.2.0",
     "csv": "^5.1.3",
     "mathjs": "^7.0.0",
     "yargs": "^15.0.0"