Update dependency langchain to ^0.0.210

Author: renovate-bot

package.json

@@ -10,7 +10,7 @@
   },
   "dependencies": {
     "ai": "2.2.29",
-    "langchain": "^0.0.196",
+    "langchain": "^0.0.210",
     "next": "14.0.3",
     "react": "18.2.0",
     "react-dom": "^18.2.0"