chore(deps): bump langchain, @copilotkit/react-core, @copilotkit/reac…

…t-textarea and @copilotkit/react-ui

Bumps [langchain](https://github.com/langchain-ai/langchainjs) to 0.3.5 and updates ancestor dependencies [langchain](https://github.com/langchain-ai/langchainjs), [@copilotkit/react-core](https://github.com/CopilotKit/CopilotKit), [@copilotkit/react-textarea](https://github.com/CopilotKit/CopilotKit) and [@copilotkit/react-ui](https://github.com/CopilotKit/CopilotKit). These dependencies need to be updated together.


Updates `langchain` from 0.1.37 to 0.3.5
- [Release notes](https://github.com/langchain-ai/langchainjs/releases)
- [Changelog](https://github.com/langchain-ai/langchainjs/blob/main/release_workspace.js)
- [Commits](langchain-ai/langchainjs@0.1.37...0.3.5)

Updates `@copilotkit/react-core` from 1.3.2 to 1.3.7
- [Release notes](https://github.com/CopilotKit/CopilotKit/releases)
- [Commits](https://github.com/CopilotKit/CopilotKit/compare/@copilotkit/[email protected]...@copilotkit/[email protected])

Updates `@copilotkit/react-textarea` from 1.3.2 to 1.3.7
- [Release notes](https://github.com/CopilotKit/CopilotKit/releases)
- [Commits](https://github.com/CopilotKit/CopilotKit/compare/@copilotkit/[email protected]...@copilotkit/[email protected])

Updates `@copilotkit/react-ui` from 1.3.2 to 1.3.7
- [Release notes](https://github.com/CopilotKit/CopilotKit/releases)
- [Commits](https://github.com/CopilotKit/CopilotKit/compare/@copilotkit/[email protected]...@copilotkit/[email protected])

---
updated-dependencies:
- dependency-name: langchain
  dependency-type: indirect
- dependency-name: "@copilotkit/react-core"
  dependency-type: direct:production
- dependency-name: "@copilotkit/react-textarea"
  dependency-type: direct:production
- dependency-name: "@copilotkit/react-ui"
  dependency-type: direct:production
...

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