feat(uptime-kuma): Add SMTP support

apps/k8s01/uptime-kuma/kustomization.yaml

@@ -8,3 +8,6 @@ resources:
   - slo.yaml
   - oauth2.yaml
   - ../../../shared/resourcequotas/default.yaml
+  - ../../../shared/networkpolicies/allow-to-mailbox-org.yaml
+patchesStrategicMerge:
+  - networkpolicy.yaml

apps/k8s01/uptime-kuma/networkpolicy.yaml

+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: allow-to-mailbox-org
+spec:
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: uptime-kuma
\ No newline at end of file

shared/networkpolicies/allow-to-mailbox-org.yaml

+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: allow-to-mailbox-org
+spec:
+  egress:
+  - to:
+    - ipBlock:
+        cidr: 185.97.174.196/32
+    ports:
+      - protocol: TCP
+        port: 80
+      - protocol: TCP
+        port: 443
+  policyTypes:
+  - Egress
\ No newline at end of file