chore(deps): update dependency typescript to v5.9.2

Author: renovate[bot]

frontend/package-lock.json

@@ -45,7 +45,7 @@
     "leaflet.nontiledlayer": "1.0.9",
     "lodash": "4.17.21",
     "prettier": "3.5.3",
-    "typescript": "5.8.3",
+    "typescript": "5.9.2",
     "unplugin-fonts": "1.3.1",
     "vite": "6.3.4",
     "vite-plugin-vuetify": "2.1.1",