Bump @langchain/core from 0.3.79 to 0.3.80 in /src/eventcatalog

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: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]