chore: regenerate README (#822)

* chore: regenerate README

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/master/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

.github/readme/synth.metadata/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-automl.git",
-        "sha": "f6b4f2f114475fa736fffeadad7d458432a15f2a"
+        "sha": "680904a4d37e6fc99a75ae68168ecfc7bc86788d"
       }
     },
     {