Bump prometheus relay image

Change-Id: I39e136cc1160229a981b38ab70019db376f1917f
Related-PROD: PROD-35375
diff --git a/defaults/docker_images.yml b/defaults/docker_images.yml
index 8bdca1b..b1aa3be 100644
--- a/defaults/docker_images.yml
+++ b/defaults/docker_images.yml
@@ -35,7 +35,7 @@
     docker_image_prometheus: "${_param:mcp_docker_registry}/openstack-docker/prometheus:2019.2.10"
     docker_image_prometheus_gainsight: "${_param:mcp_docker_registry}/openstack-docker/sf-reporter:2019.2.9"
     docker_image_prometheus_gainsight_elasticsearch: "${_param:mcp_docker_registry}/openstack-docker/gainsight_elasticsearch:2019.2.6"
-    docker_image_prometheus_relay: "${_param:mcp_docker_registry}/openstack-docker/prometheus-relay:2019.2.10"
+    docker_image_prometheus_relay: "${_param:mcp_docker_registry}/openstack-docker/prometheus-relay:2019.2.11"
     docker_image_pushgateway: "${_param:mcp_docker_registry}/openstack-docker/pushgateway:2019.2.6"
     docker_image_remote_agent: "${_param:mcp_docker_registry}/openstack-docker/telegraf:2019.2.11"
     docker_image_remote_collector: "${_param:mcp_docker_registry}/openstack-docker/heka:2019.2.6"
@@ -139,7 +139,7 @@
           name: remote_storage_adapter:2019.2.6
         - registry: ${_param:mcp_docker_registry}/openstack-docker
           target_registry: ${_param:default_local_mirrror_content:docker_client_registry_target_registry}/openstack-docker
-          name: prometheus-relay:2019.2.10
+          name: prometheus-relay:2019.2.11
         - registry: ${_param:mcp_docker_registry}/openstack-docker
           target_registry: ${_param:default_local_mirrror_content:docker_client_registry_target_registry}/openstack-docker
           name: grafana:2019.2.10