Dependency Updates: Bump @langchain/core in the langchain group

Bumps the langchain group with 1 update: [@langchain/core](https://github.com/langchain-ai/langchainjs).


Updates `@langchain/core` from 0.2.34 to 0.3.3
- [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-minor
  dependency-group: langchain
...

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

package.json

@@ -156,7 +156,7 @@
     "@genkit-ai/flow": "^0.5.4",
     "@genkit-ai/googleai": "^0.5.4",
     "@langchain/community": "^0.3.1",
-    "@langchain/core": "^0.2.18",
+    "@langchain/core": "^0.3.3",
     "@langchain/google-genai": "^0.1.0",
     "@langchain/openai": "^0.3.0",
     "d3-dsv": "^2.0.0",