Bump langchain-core from 0.1.3 to 0.1.34 in /tools/evaluation

Bumps [langchain-core](https://github.com/langchain-ai/langchain) from 0.1.3 to 0.1.34.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](https://github.com/langchain-ai/langchain/commits)

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

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

tools/evaluation/requirements.txt

@@ -7,7 +7,7 @@ pymilvus==2.3.1
 jupyterlab==4.0.8
 ragas==0.0.21
 seaborn==0.13.0
-langchain-core==0.1.3
+langchain-core==0.1.34
 langchain-nvidia-ai-endpoints==0.0.1
 langchain-nvidia-trt==0.0.1rc0
 atlassian-python-api==3.41.4