fix(prometheus-paperless-ngx-exporter): Fix wrong Interface Port (#2812)

#2808

json/prometheus-paperless-ngx-exporter.json

@@ -8,7 +8,7 @@
     "type": "ct",
     "updateable": true,
     "privileged": false,
-    "interface_port": 3000,
+    "interface_port": 8081,
     "documentation": null,
     "website": "https://github.com/hansmi/prometheus-paperless-exporter",
     "logo": "https://raw.githubusercontent.com/paperless-ngx/paperless-ngx/main/resources/logo/web/svg/square.svg",