chore(main): release 3.1.1 (#630)

* chore(main): release 3.1.1

* 🦉 Updates from OwlBot post-processor

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/snippets/package.json

@@ -16,7 +16,7 @@
     "!test/"
   ],
   "dependencies": {
-    "@google-cloud/automl": "^3.1.0",
+    "@google-cloud/automl": "^3.1.1",
     "csv": "^6.0.0",
     "mathjs": "^11.0.0",
     "yargs": "^16.0.0"