Bump opencv-python from 4.4.0.42 to 4.8.1.78 in /examples/research_projects/visual_bert
Author: dependabot[bot]
Pull request: yes
Labels: name: dependencies

name: python

Bumps [opencv-python](https://github.com/opencv/opencv-python) from 4.4.0.42 to 4.8.1.78.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/opencv/opencv-python/releases">opencv-python's releases</a>.</em></p>
<blockquote>
<h2>4.8.1.78</h2>
<p>OpenCV 4.8.1 release.</p>
<p>Important changes:</p>
<ul>
<li>WebP security update for <a href="https://nvd.nist.gov/vuln/detail/CVE-2023-4863">CVE-2023-4863</a></li>
</ul>
<h2>4.8.0.76</h2>
<p>Adds cv2.typing to package. Close <a href="https://redirect.github.com/opencv/opencv-python/issues/869">#869</a></p>
<h2>4.8.0.74</h2>
<p>Important changes:</p>
<ul>
<li><a href="https://redirect.github.com/opencv/opencv/pull/20370">#20370</a> Python typing stubs.</li>
<li><a href="https://redirect.github.com/opencv/opencv/pull/23350">#23350</a> Fix reference counting errors in registerNewType.</li>
<li><a href="https://redirect.github.com/opencv/opencv/pull/23399">#23399</a>, <a href="https://redirect.github.com/opencv/opencv/pull/23436">#23436</a>, <a href="https://redirect.github.com/opencv/opencv/pull/23138">#23138</a> Fixed ChAruco and diamond boards detector bindings.</li>
<li><a href="https://redirect.github.com/opencv/opencv/pull/23371">#23371</a> Added bindings to allow GpuMat and Stream objects to be initialized from memory initialized in other libraries</li>
<li><a href="https://redirect.github.com/opencv/opencv/pull/23691">#23691</a> np.float16 support.</li>
<li>Python bindings for RotatedRect, CV_MAKETYPE, CV_8UC(n).</li>
<li>Several build fixes for OpenCV-Python package</li>
</ul>
<h2>4.7.0.72</h2>
<p>OpenCV 4.7.0 with various distribution bug fixes.</p>
<ul>
<li>Mac OS 11 support.</li>
<li>Old Linux support with zlib version older than 1.9.</li>
<li>Package build fixes for Python 11 on Musl C based system (Alpine).</li>
</ul>
<h2>4.7.0.70</h2>
<p>OpenCV 4.7.0 with various distribution bug fixes.</p>
<ul>
<li>Mac OS 11 support.</li>
<li>Old Linux support with zlib version older than 1.9.</li>
<li>Package build fixes for Python 11 on Musl C based system (Alpine).</li>
</ul>
<h2>4.7.0.68</h2>
<p>opencv-python: <a href="https://pypi.org/project/opencv-python/">https://pypi.org/project/opencv-python/</a>
opencv-contrib-python: <a href="https://pypi.org/project/opencv-contrib-python/">https://pypi.org/project/opencv-contrib-python/</a>
opencv-python-headless: <a href="https://pypi.org/project/opencv-python-headless/">https://pypi.org/project/opencv-python-headless/</a>
opencv-contrib-python-headless: <a href="https://pypi.org/project/opencv-contrib-python-headless/">https://pypi.org/project/opencv-contrib-python-headless/</a></p>
<p><a href="https://github.com/opencv/opencv/releases/tag/4.7.0">OpenCV 4.7.0</a></p>
<p>Changes:</p>
<ul>
<li>Updated third-party libraries to fix potential vulnerabilities.</li>
<li>Dropped Python 3.6 support.</li>
<li>Added Python 3.11 support.</li>
</ul>
<h2>4.6.0.66</h2>
<p>opencv-python: <a href="https://pypi.org/project/opencv-python/">https://pypi.org/project/opencv-python/</a>
opencv-contrib-python: <a href="https://pypi.org/project/opencv-contrib-python/">https://pypi.org/project/opencv-contrib-python/</a>
opencv-python-headless: <a href="https://pypi.org/project/opencv-python-headless/">https://pypi.org/project/opencv-python-headless/</a></p>
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</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a href="https://github.com/opencv/opencv-python/commits">compare view</a></li>
</ul>
</details>
<br />


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