fix: Don't use tailscale DNS for physical servers

fix: Don't do rolling updates for pihole
chore: Update flake inputs

kubenix-modules/pihole.nix

@@ -5,6 +5,15 @@
     deployments.pihole.spec = {
       selector.matchLabels.app = "pihole";
 
+      strategy = {
+        type = "RollingUpdate";
+
+        rollingUpdate = {
+          maxSurge = 0;
+          maxUnavailable = 1;
+        };
+      };
+
       template = {
         metadata.labels.app = "pihole";