Merge pull request 'Update dependency prometheus-operator/prometheus-operator to v0.84.0' (#546) from renovate/prometheus-operator-prometheus-operator-0.x into main

Reviewed-on: #546

infrastructure/monitoring/kustomization.yaml

@@ -6,7 +6,7 @@ namespace: monitoring
 resources: 
   - namespace.yaml
   # prometheus-operator crds
-  - https://github.com/prometheus-operator/prometheus-operator?ref=v0.83.0
+  - https://github.com/prometheus-operator/prometheus-operator?ref=v0.84.0
   # single prometheus instance with a thanos sidecar
   - prometheus.yaml
   - thanos-store.statefulset.yaml