fix(k8up): Allow metrics endpoint access from monitoring namespaces

infrastructure/k8up/kustomization.yaml

@@ -7,3 +7,6 @@ resources:
   - k8up-crd.yaml
   - release.yaml
   - ../../shared/networkpolicies/allow-from-same-namespace.yaml
+  - ../../shared/networkpolicies/allow-from-monitoring.yaml
+patchesStrategicMerge:
+  - networkpolicy.yaml

infrastructure/k8up/networkpolicy.yaml

+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: allow-from-monitoring
+spec:
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/instance: k8up
+      app.kubernetes.io/name: k8up