ntfy: Handle ntfy.pyrocufflink.net name

Now that the reverse proxy that handles requests from the Internet uses
TLS pass-through, the Ingress for _ntfy_ needs to recognize both the
internal and external name.

ntfy/ntfy.yaml

@@ -129,7 +129,7 @@ spec:
   ingressClassName: nginx
   rules:
   - host: ntfy.pyrocufflink.blue
-    http:
+    http: &http
       paths:
       - path: /
         pathType: Prefix
@@ -138,6 +138,9 @@ spec:
             name: ntfy
             port:
               name: http
+  - host: ntfy.pyrocufflink.net
+    http: *http
   tls:
   - hosts:
     - ntfy.pyrocufflink.blue
+    - ntfy.pyrocufflink.net