build(deps): bump langchain in /templates/hybrid-search-weaviate

Bumps [langchain](https://github.com/langchain-ai/langchain) from 0.0.344 to 0.1.0.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@v0.0.344...v0.1.0)

---
updated-dependencies:
- dependency-name: langchain
  dependency-type: direct:production
...

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