chore(deps): update node.js to >=18.20.8

Author: renovate[bot]

package.json

@@ -39,7 +39,7 @@
     "vitest": "^4.0.18"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18.20.8"
   },
   "packageManager": "pnpm@10.32.1+sha512.a706938f0e89ac1456b6563eab4edf1d1faf3368d1191fc5c59790e96dc918e4456ab2e67d613de1043d2e8c81f87303e6b40d4ffeca9df15ef1ad567348f2be",
   "publishConfig": {