chore(main): release 3.0.0 (#612)

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md
Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: release-please[bot]

automl/package.json

@@ -16,7 +16,7 @@
     "!test/"
   ],
   "dependencies": {
-    "@google-cloud/automl": "^2.5.2",
+    "@google-cloud/automl": "^3.0.0",
     "csv": "^6.0.0",
     "mathjs": "^10.0.0",
     "yargs": "^16.0.0"