Add mixed service configuration and annotations for pihole in helmfile.yaml

Enhance the pihole service setup by enabling mixed service support and adding specific annotations for IP management. This update improves the service's integration with Cilium and load balancer configurations.

Author: max06

apps/pihole/helmfile.yaml

@@ -12,3 +12,6 @@ releases:
           enabled: false
         serviceDns:
           type: LoadBalancer
+          mixedService: true
+          annotations:
+            "lbipam.cilium.io/ips": "192.168.30.241"