Update react-gtfs-selector to 0.3.0 in website

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: chtitux

website/package-lock.json

@@ -13,7 +13,7 @@
     "gtfs-sqljs": "^0.4.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
-    "react-gtfs-selector": "^0.2.1",
+    "react-gtfs-selector": "^0.3.0",
     "sql.js": "^1.12.0"
   },
   "devDependencies": {