Merge pull request #8714 from zalando-incubator/container-registry.zalando.net/teapot/prometheus

prometheus: Update to version v3.1.0-master-61

Author: katyanna

cluster/manifests/kubenurse/prometheus.yaml

@@ -37,7 +37,7 @@ spec:
           value: "1"
       containers:
       - name: prometheus
-        image: container-registry.zalando.net/teapot/prometheus:v3.0.1-master-60
+        image: container-registry.zalando.net/teapot/prometheus:v3.1.0-master-61
         args:
         - "--config.file=/etc/prometheus/prometheus.yml"
         - "--storage.tsdb.path=/prometheus/"