Engines node version (#189)

Author: nlkluth

package.json

@@ -78,4 +78,4 @@
   "publishConfig": {
     "provenance": true
   }
-}
+}

website/package.json

@@ -38,5 +38,8 @@
       "last 1 firefox version",
       "last 1 safari version"
     ]
+  },
+  "engines": {
+    "node": ">=18.0.0"
   }
-}
+}