update to run migrations built in container

.github/workflows/production.yaml

@@ -71,7 +71,7 @@ jobs:
           docker run \
           -e DB_HOST=$DB_HOST -e DB_PORT=$DB_PORT -e DB_USER=$DB_USER -e DB_PASS=$DB_PASS -e DB_NAME=$DB_NAME \
           gcr.io/porter-dev-273614/porter:latest \
-          env | grep DB_
+          /porter/migrate
       - name: Deploy to cluster
         run: |
           aws eks --region ${{ secrets.AWS_REGION }} update-kubeconfig --name production-2