chore(deps): update dependency mongodb to v6.18.0

Author: renovate[bot]

package.json

@@ -65,7 +65,7 @@
     "jest": "29.7.0",
     "jest-environment-node": "29.7.0",
     "lint-staged": "16.1.2",
-    "mongodb": "6.16.0",
+    "mongodb": "6.18.0",
     "prettier": "3.6.2",
     "typescript": "5.8.3"
   },