Bump opencv-python from 3.4.3.18 to 4.2.0.32

Bumps [opencv-python](https://github.com/skvark/opencv-python) from 3.4.3.18 to 4.2.0.32.
- [Release notes](https://github.com/skvark/opencv-python/releases)
- [Commits](https://github.com/skvark/opencv-python/commits)

---
updated-dependencies:
- dependency-name: opencv-python
  dependency-type: direct:production
...

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Author: dependabot[bot]

requirements.txt

@@ -2,7 +2,7 @@ fastai
 image-classifiers
 keras
 numpy==1.22.0
-opencv_python==3.4.3.18
+opencv_python==4.2.0.32
 sklearn
 tensorflow-gpu
 torch