Bump certifi from 2020.6.20 to 2022.12.7 in /examples/research_projects/lxmert
Bumps [certifi](https://github.com/certifi/python-certifi) from 2020.6.20 to 2022.12.7.
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/certifi/python-certifi/commit/9e9e840925d7b8e76c76fdac1fab7e6e88c1c3b8"><code>9e9e840</code></a> 2022.12.07</li>
<li><a href="https://github.com/certifi/python-certifi/commit/b81bdb269f1edb791bcd4ec8a9d0c053758f961a"><code>b81bdb2</code></a> 2022.09.24</li>
<li><a href="https://github.com/certifi/python-certifi/commit/939a28ffc57b1613770f572b584745c7b6d43e7d"><code>939a28f</code></a> 2022.09.14</li>
<li><a href="https://github.com/certifi/python-certifi/commit/aca828a78e73235a513dff9ebc181a47ef7dbf7b"><code>aca828a</code></a> 2022.06.15.2</li>
<li><a href="https://github.com/certifi/python-certifi/commit/de0eae12a6d5794a4c1e33052af6717707ce1fcc"><code>de0eae1</code></a> Only use importlib.resources's new files() / Traversable API on Python ≥3.11 ...</li>
<li><a href="https://github.com/certifi/python-certifi/commit/b8eb5e9af9143b22b7f651942b393e369ed4c52a"><code>b8eb5e9</code></a> 2022.06.15.1</li>
<li><a href="https://github.com/certifi/python-certifi/commit/47fb7ab715965684e035292d2ad3386aabdc4d25"><code>47fb7ab</code></a> Fix deprecation warning on Python 3.11 (<a href="https://github-redirect.dependabot.com/certifi/python-certifi/issues/199">#199</a>)</li>
<li><a href="https://github.com/certifi/python-certifi/commit/b0b48e059995f455ac1e79b3ad373ad4ef355516"><code>b0b48e0</code></a> fixes <a href="https://github-redirect.dependabot.com/certifi/python-certifi/issues/198">#198</a> -- update link in license</li>
<li><a href="https://github.com/certifi/python-certifi/commit/9d514b4cad79357071c89d7dc4dc1b4df72bb997"><code>9d514b4</code></a> 2022.06.15</li>
<li><a href="https://github.com/certifi/python-certifi/commit/4151e8849481f396537c34812068e89b32731e52"><code>4151e88</code></a> Add py.typed to MANIFEST.in to package in sdist (<a href="https://github-redirect.dependabot.com/certifi/python-certifi/issues/196">#196</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/certifi/python-certifi/compare/2020.06.20...2022.12.07">compare view</a></li>
</ul>
</details>
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