tweaked package.json langchain

Author: simonredfern

package.json

@@ -105,6 +105,6 @@
     "vue-tsc": "^2.0.0"
   },
   "overrides": {
-    "@langchain/core": "0.1.5"
+    "@langchain/core": ">=0.3.39 <0.4.0"
   }
 }