Bump opencv-python-headless from 4.5.5.62 to 4.5.5.64

Bumps [opencv-python-headless](https://github.com/skvark/opencv-python) from 4.5.5.62 to 4.5.5.64.
- [Release notes](https://github.com/skvark/opencv-python/releases)
- [Commits](https://github.com/skvark/opencv-python/commits)

---
updated-dependencies:
- dependency-name: opencv-python-headless
dependency-type: direct:production
update-type: version-update:semver-patch
...

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

requirements.txt

@@ -1,7 +1,7 @@
 aiortc==1.3.1
 matplotlib==3.5.1
 numpy==1.21.4
-opencv-python-headless==4.5.5.62
+opencv-python-headless==4.5.5.64
 pydub==0.25.1
 streamlit==1.5.1
 streamlit_webrtc==0.36.0