Bump streamlit from 1.47.1 to 1.49.1 (#120)

Bumps [streamlit](https://github.com/streamlit/streamlit) from 1.47.1 to 1.49.1.
- [Release notes](https://github.com/streamlit/streamlit/releases)
- [Commits](streamlit/streamlit@1.47.1...1.49.1)

---
updated-dependencies:
- dependency-name: streamlit
  dependency-version: 1.49.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -4,5 +4,5 @@ langchain-community==0.3.29
 langchain-openai==0.3.33
 langsmith==0.4.27
 python-dotenv==1.1.1
-streamlit==1.47.1
+streamlit==1.49.1
 tqdm==4.67.1