chore: bump node version

Author: subfuzion

run/system-package/package.json

@@ -10,7 +10,7 @@
     "system-test": "c8 mocha -p -j 2 test/system.test.js --timeout=360000 --exit"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=18.0.0"
   },
   "dependencies": {
     "express": "^4.17.1"