fix(security): upgrade MapLibre runtime

package.json

@@ -4,6 +4,9 @@
   "private": true,
   "type": "module",
   "packageManager": "pnpm@11.8.0",
+  "engines": {
+    "node": ">=24.22.1 <25"
+  },
   "scripts": {
     "dev": "vite",
     "export:answer-ui-contract": "node scripts/export-answer-ui-contract.mjs",
@@ -48,7 +51,7 @@
     "katex": "^0.17.0",
     "keycloak-js": "26.2.4",
     "lucide-react": "^0.468.0",
-    "maplibre-gl": "^4.7.1",
+    "maplibre-gl": "^6.4.1",
     "motion": "^12.40.0",
     "nanoid": "^5.1.14",
     "pmtiles": "4.3.0",