chore(deps-dev): bump @langchain/core from 0.3.79 to 0.3.80

Bumps [@langchain/core](https://github.com/langchain-ai/langchainjs) from 0.3.79 to 0.3.80.
- [Release notes](https://github.com/langchain-ai/langchainjs/releases)
- [Commits](https://github.com/langchain-ai/langchainjs/commits)

---
updated-dependencies:
- dependency-name: "@langchain/core"
  dependency-version: 0.3.80
  dependency-type: direct:development
...

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Author: dependabot[bot]