Update dependency langchain to ^0.3.0

Author: renovate[bot]

package.json

@@ -18,7 +18,7 @@
     "@types/node": "^20.2.5",
     "dotenv": "^16.1.3",
     "esnext": "^3.3.1",
-    "langchain": "^0.0.92",
+    "langchain": "^0.3.0",
     "openai": "^3.2.1"
   }
 }