chore(deps): update dependency @types/node to v20

Author: renovate[bot]

package-lock.json

@@ -26,7 +26,7 @@
     "@nestjs/platform-express": "10.2.7",
     "@nestjs/testing": "10.2.7",
     "@types/jest": "29.5.6",
-    "@types/node": "18.18.6",
+    "@types/node": "20.8.8",
     "@types/supertest": "2.0.15",
     "@typescript-eslint/eslint-plugin": "6.9.0",
     "@typescript-eslint/parser": "6.9.0",