chore(deps): update dependency google-cloud-automl to v2.6.0 (#322)

Author: renovate-bot

translation/samples/snippets/requirements.txt

@@ -1,3 +1,3 @@
 google-cloud-translate==3.6.1
 google-cloud-storage==2.0.0
-google-cloud-automl==2.5.2
+google-cloud-automl==2.6.0