Bump streamlit from 1.49.1 to 1.50.0

Bumps [streamlit](https://github.com/streamlit/streamlit) from 1.49.1 to 1.50.0.
- [Release notes](https://github.com/streamlit/streamlit/releases)
- [Commits](streamlit/streamlit@1.49.1...1.50.0)

---
updated-dependencies:
- dependency-name: streamlit
  dependency-version: 1.50.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 langchain-couchbase==0.4.0
-streamlit==1.49.1
+streamlit==1.50.0
 langchain-community==0.3.29
 pypdf==6.1.1
 langchain-openai==0.3.33