Bump streamlit from 0.76.0 to 0.77.0

Bumps [streamlit](https://github.com/streamlit/streamlit) from 0.76.0 to 0.77.0.
- [Release notes](https://github.com/streamlit/streamlit/releases)
- [Changelog](https://github.com/streamlit/streamlit/blob/0.77.0/docs/changelog.md)
- [Commits](https://github.com/streamlit/streamlit/compare/0.76.0...0.77.0)

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

requirements.txt

@@ -2,6 +2,6 @@ aiortc==1.1.2
 av==8.0.3
 numpy==1.20.1
 opencv_python==4.5.1.48
-streamlit==0.76.0
+streamlit==0.77.0
 streamlit_webrtc==0.7.1
 typing_extensions==3.7.4.3