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

Update container-registry.zalando.net/teapot/prometheus to version v3.1.0-master-61

Author: k8s-on-aws-manager-app[bot]

cluster/manifests/prometheus/statefulset.yaml

@@ -57,7 +57,7 @@ spec:
           mountPath: /prometheus
       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=/prometheus/prometheus.yaml"
         - "--storage.tsdb.path=/prometheus/"