Update data.json

Author: cgrail

conferences/2025/data.json

@@ -471,7 +471,7 @@
     "startDate": "2025-09-09",
     "endDate": "2025-09-09",
     "city": "London",
-    "country": "UK",
+    "country": "U.K.",
     "online": false,
     "locales": "EN",
     "cfpUrl": "https://2025.pgday.uk/call-for-papers/",
@@ -525,7 +525,7 @@
     "url": "https://2025.pgdaynapoli.org/",
     "startDate": "2025-09-25",
     "endDate": "2025-09-25",
-    "city": "Naples",
+    "city": "Napels",
     "country": "Italy",
     "online": true,
     "locales": "EN",