Upgrade dependencies - langchain, pillow, transformers. (Azure-Sample…

…s#591)

* Bump langchain-community from 0.0.29 to 0.0.30

Bumps [langchain-community](https://github.com/langchain-ai/langchain) from 0.0.29 to 0.0.30.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](https://github.com/langchain-ai/langchain/commits)

---
updated-dependencies:
- dependency-name: langchain-community
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

* Bump transformers from 4.39.1 to 4.39.2

Bumps [transformers](https://github.com/huggingface/transformers) from 4.39.1 to 4.39.2.
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](huggingface/transformers@v4.39.1...v4.39.2)

---
updated-dependencies:
- dependency-name: transformers
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

* Bump pillow from 10.2.0 to 10.3.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 10.2.0 to 10.3.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@10.2.0...10.3.0)

---
updated-dependencies:
- dependency-name: pillow
  dependency-type: indirect
...

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

* Update poetry.lock with hash.

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>