build(deps): Bump prom/alertmanager

Bumps the monitoring-stack-updates group with 1 update in the / directory: prom/alertmanager.


Updates `prom/alertmanager` from v0.33.0 to v0.33.1

---
updated-dependencies:
- dependency-name: prom/alertmanager
  dependency-version: v0.33.1
  dependency-type: direct:production
  dependency-group: monitoring-stack-updates
...

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Author: dependabot[bot]

compose.yml

@@ -71,7 +71,7 @@ services:
     logging: *default-logging
 
   alertmanager:
-    image: prom/alertmanager:v0.33.0
+    image: prom/alertmanager:v0.33.1
     restart: unless-stopped
     volumes:
       - ./config/alertmanager.yaml:/etc/alertmanager/alertmanager.yaml:ro