Update node to 18 to fix build

Author: fhammerschmidt

package-lock.json

@@ -5,7 +5,7 @@
   "author": "Patrick Ecker <[email protected]>",
   "license": "MIT",
   "engines": {
-    "node": "16.x"
+    "node": "18.x"
   },
   "type": "module",
   "postcss": {