chore(deps): update prom/prometheus docker tag to v3.15.1 (#246)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

observability/dev/docker-compose.yaml

@@ -2,7 +2,7 @@
 # simulator's data behind them. Start with `make observability-up`.
 services:
   prometheus:
-    image: prom/prometheus:v3.15.0
+    image: prom/prometheus:v3.15.1
     command:
       - --config.file=/etc/prometheus/prometheus.yml
       - --web.enable-lifecycle