🐛Monitoring: Fix missing configuration location in prometheus startup command (ITISFoundation#5539)

Author: sanderegg

services/clusters-keeper/src/simcore_service_clusters_keeper/data/docker-compose.yml

@@ -158,6 +158,8 @@ services:
   prometheus:
     image: prom/prometheus:v2.51.0@sha256:5ccad477d0057e62a7cd1981ffcc43785ac10c5a35522dc207466ff7e7ec845f
     command:
+      - "--config.file=/etc/prometheus/prometheus.yml"
+      - "--storage.tsdb.path=/prometheus"
       - "--storage.tsdb.retention.size=1GB"
     ports:
       - 9090:9090