move circle trigger to /scripts

circle.yml

@@ -27,4 +27,4 @@ deployment:
     branch: master
     owner: grafana
     commands:
-      - ./trigger_grafana_packer.sh ${TRIGGER_GRAFANA_PACKER_CIRCLECI_TOKEN}
+      - ./scripts/trigger_grafana_packer.sh ${TRIGGER_GRAFANA_PACKER_CIRCLECI_TOKEN}