wrapping host in strings

.gitlab/deployment_scripts/update_deployment.sh

@@ -5,7 +5,7 @@ helm -n $KUBE_NAMESPACE upgrade --install \
     chart/ \
     -f $DEPLOYMENT_HELM_VALUES \
     --set environment=$APP_ENV \
-    --set ingress.hosts[0].host=$DEPLOYMENT_URL \
+    --set ingress.hosts[0].host="$DEPLOYMENT_URL" \
     --set image.fpm.tag=$DOCKER_FPM_IMAGE_TAG \
     --set image.nginx.tag=$DOCKER_NGINX_IMAGE_TAG \
     --set app_url=$APP_URL \