Bump langchain from 0.0.325 to 0.0.329 in /vizro-ai

Bumps [langchain](https://github.com/langchain-ai/langchain) from 0.0.325 to 0.0.329.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@v0.0.325...v0.0.329)

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

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

vizro-ai/pyproject.toml

@@ -16,7 +16,7 @@ dependencies = [
   "pandas",
   "tabulate",
   "openai>=0.27.8,<1.0.0",  # TODO add support for openai>=1.0.0
-  "langchain==0.0.325",
+  "langchain==0.0.329",
   "python-dotenv>=1.0.0",  # TODO decide env var management to see if we need this
   "vizro>=0.1.4",  # TODO set upper bound later
   "ipython>=8.10.0",  # not directly required, pinned by Snyk to avoid a vulnerability: https://app.snyk.io/vuln/SNYK-PYTHON-IPYTHON-3318382

vizro-ai/snyk/requirements.txt

@@ -1,7 +1,7 @@
 pandas
 tabulate
 openai>=0.27.8,<1.0.0
-langchain==0.0.325
+langchain==0.0.329
 python-dotenv>=1.0.0
 vizro>=0.1.4
 ipython>=8.10.0