update OWL mailing list URL

Author: chrstnbwnkl

resources/europe/germany/de-ostwestfalen-lippe-mailinglist.json

@@ -1,15 +1,13 @@
 {
   "id": "de-ostwestfalen-lippe-mailinglist",
   "type": "mailinglist",
-  "locationSet": {"include": ["de-ostwestfalen-lippe.geojson"]},
+  "locationSet": { "include": ["de-ostwestfalen-lippe.geojson"] },
   "languageCodes": ["de"],
   "order": -3,
   "strings": {
     "name": "OWL Mailing List",
     "description": "This is the mailing list for the Ostwestfalen-Lippe OSM community",
-    "url": "https://gt.owl.de/mailman/listinfo/osm"
+    "url": "https://gt.owl.de/mailman3/postorius/lists/osm.gt.owl.de/"
   },
-  "contacts": [
-    {"name": "Florian Lohoff", "email": "osm-owner@gt.owl.de"}
-  ]
+  "contacts": [{ "name": "Florian Lohoff", "email": "osm-owner@gt.owl.de" }]
 }