chore: bump typescript from 5.8.3 to 5.9.2 in /site (#347)

Author: dependabot[bot]

site/package-lock.json

@@ -38,7 +38,7 @@
     "globals": "^15.14.0",
     "jest": "^30.0.5",
     "prettier": "^3.6.2",
-    "typescript": "~5.8.3"
+    "typescript": "~5.9.2"
   },
   "browserslist": {
     "production": [