chore(deps): Bump @langchain/core from 0.3.36 to 0.3.38

Bumps [@langchain/core](https://github.com/langchain-ai/langchainjs) from 0.3.36 to 0.3.38.
- [Release notes](https://github.com/langchain-ai/langchainjs/releases)
- [Changelog](https://github.com/langchain-ai/langchainjs/blob/main/release_workspace.js)
- [Commits](https://github.com/langchain-ai/langchainjs/commits)

---
updated-dependencies:
- dependency-name: "@langchain/core"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

packages/langchain/package.json

@@ -31,7 +31,7 @@
     "@sap-ai-sdk/foundation-models": "workspace:^",
     "@sap-cloud-sdk/connectivity": "^3.26.0",
     "uuid": "^11.0.0",
-    "@langchain/core": "0.3.36",
+    "@langchain/core": "0.3.38",
     "zod-to-json-schema": "^3.24.1"
   }
 }