Update maat subdomain with port number

Author: Pokymon

subdomains.json

@@ -60,7 +60,7 @@
     "loichuango": "ns1.desec.io",
     "loopbreaker": "axelvyrn.github.io",
     "lrclib": "lrclib-js-website.vercel.app",
-    "maat": "147.185.221.28",
+    "maat": "147.185.221.28:28827",
     "marwat": "zubairmarwat.github.io",
     "massroom": "massroom.github.io",
     "matthew": "mjuch.codeberg.page",