feat(igotify): deploy igotify server + upgrade gotify to 3.1.0

- igotify server v1.6.0.1 (supports Gotify 3.x)
- gotify upgraded 2.9.1 → 3.1.0
- igotify PVC, Deployment, Service, Ingress in notifications ns
- CoreDNS rewrite for igotify.riotpiao.com → nginx

k8s/apps/gotify/deployment.yaml

@@ -23,7 +23,7 @@ spec:
       containers:
         # --- Gotify server ---
         - name: gotify
-          image: ghcr.io/gotify/server:2.9.1
+          image: ghcr.io/gotify/server:3.1.0
           command: ["/bin/sh", "-c"]
           args:
             - |
@@ -84,7 +84,7 @@ spec:
         # Watches Gotify WebSocket stream, forwards messages as email.
         # https://github.com/eternal-flame-AD/gotify-broadcast
         - name: smtp-emailer
-          image: ghcr.io/gotify/server:2.9.1
+          image: ghcr.io/gotify/server:3.1.0
           command:
             - /bin/sh
             - -c