Pull grafyaml from quay.io

The grafyaml image is being published to quay.io now. Update our
location for this image to ensure we pull it from the correct location.

Depends-On: https://review.opendev.org/c/opendev/grafyaml/+/882493
Change-Id: I28a5a735b4e60281ec96c95887ba8d96d106063c

grafana/run-grafana.sh

@@ -39,11 +39,11 @@ if [[ $(${DOCKER} ps -f "name=grafana-opendev_test" --format '{{.Names}}') \
 fi
 
 echo "Pulling grafyaml"
-${DOCKER} pull opendevorg/grafyaml
+${DOCKER} pull quay.io/opendevorg/grafyaml
 
 echo "Reloading dashboards"
 
 ${DOCKER} run --rm --network=host \
           -e 'GRAFANA_URL=http://admin:password@localhost:3000' \
           -v ${GRAFYAML_DIR}:/grafana:ro \
-          opendevorg/grafyaml
+          quay.io/opendevorg/grafyaml