add engines field in package.json

Author: grdsdev

package-lock.json

@@ -86,5 +86,8 @@
   },
   "jsdelivr": "dist/umd/supabase.js",
   "unpkg": "dist/umd/supabase.js",
+  "engines": {
+    "node": ">=20"
+  },
   "packageManager": "[email protected]+sha512.6540583f41cc5f628eb3d9773ecee802f4f9ef9923cc45b69890fb47991d4b092964694ec3a4f738a420c918a333062c8b925d312f42e4f0c263eb603551f977"
 }