chore: reenable auto env graduation (#4466)

Reallow deployment to go from dev to prd without interruptions. We
changed that during v3 work to play safe, now back to our regular show

.deployment.config.json

@@ -9,7 +9,7 @@
       "sequential": ["dev", "stg", "prd"]
     },
     "team_jenkins": "searchuibuilds",
-    "start_environment_automatically": false,
+    "start_environment_automatically": true,
     "notifications": {
       "slack_channels": ["#searchuibuilds"]
     }