radarr: fix service domain

kubernetes/apps/downloads/radarr/app/helmrelease.yaml

@@ -108,7 +108,7 @@ spec:
           gethomepage.dev/widget.key: "{{ `{{HOMEPAGE_VAR_RADARR_TOKEN}}` }}"
           nginx.ingress.kubernetes.io/configuration-snippet: ${THEME_PARK_SNIPPET}
         hosts:
-          - host: "{{ .Release.Name }}.${SECRET_INTERNAL_DOMAIN}"
+          - host: "{{ .Release.Name }}.k8s.home.arpa"
             paths:
               - path: /
                 service: