Merge pull request #5602 from spantaleev/renovate/prometheus-3.x

Update dependency prometheus to v3.15.0-0

requirements.yml

@@ -63,7 +63,7 @@
   version: v18-5
   name: postgres_backup
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-prometheus.git
-  version: v3.14.0-1
+  version: v3.15.0-0
   name: prometheus
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-prometheus-nginxlog-exporter.git
   version: v1.11.0-2