chore: Update node version in playground to allow node 18

Author: boazpoolman

playground/package.json

@@ -28,7 +28,7 @@
     "uuid": "2e84e366-1e09-43c2-a99f-a0d0acbc2ca5"
   },
   "engines": {
-    "node": ">=14.x.x <=16.x.x",
+    "node": ">=14.x.x <=18.x.x",
     "npm": ">=6.0.0"
   },
   "license": "MIT"