fix(deps): update dependency @langchain/core to v0.3.80 [security] (#1669)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -91,7 +91,7 @@
     "@aws-sdk/client-sfn": "3.940.0",
     "@aws-sdk/client-sqs": "3.940.0",
     "@aws-sdk/s3-request-presigner": "3.940.0",
-    "@langchain/core": "0.3.79",
+    "@langchain/core": "0.3.80",
     "@langchain/langgraph": "0.4.9",
     "@langchain/openai": "0.6.16",
     "@octokit/rest": "22.0.1",