chore(deps-dev): bump flake8-bugbear from 21.4.3 to 21.9.1 (#676)

Bumps [flake8-bugbear](https://github.com/PyCQA/flake8-bugbear) from 21.4.3 to 21.9.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/PyCQA/flake8-bugbear/releases">flake8-bugbear's releases</a>.</em></p>
<blockquote>
<h2>21.9.1</h2>
<ul>
<li>Update B008: Whitelist more immutable function calls (<a href="https://github-redirect.dependabot.com/PyCQA/flake8-bugbear/issues/173">#173</a>)</li>
<li>Remove Python Compatibility Warnings (<a href="https://github-redirect.dependabot.com/PyCQA/flake8-bugbear/issues/182">#182</a>)</li>
<li>Add B904: check for <code>raise</code> without <code>from</code> in an <code>except</code> clause (<a href="https://github-redirect.dependabot.com/PyCQA/flake8-bugbear/issues/181">#181</a>)</li>
<li>Add Python 3.10 tests to ensure we pass (<a href="https://github-redirect.dependabot.com/PyCQA/flake8-bugbear/issues/183">#183</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/PyCQA/flake8-bugbear/commit/09ca6c0edbbbff8bb6189ac80cdd6fa80705b3c4"><code>09ca6c0</code></a> Update setup.py + Change Log for 21.9.1 release (<a href="https://github-redirect.dependabot.com/PyCQA/flake8-bugbear/issues/185">#185</a>)</li>
<li><a href="https://github.com/PyCQA/flake8-bugbear/commit/b462a5e6926d12e344181d91cd9ba4f37773e45b"><code>b462a5e</code></a> Add <code>B904</code> - Use <code>raise ... from err</code> in <code>except</code> clauses (<a href="https://github-redirect.dependabot.com/PyCQA/flake8-bugbear/issues/181">#181</a>)</li>
<li><a href="https://github.com/PyCQA/flake8-bugbear/commit/ab0868d19ec1d6188adea6e1a31a098077370a99"><code>ab0868d</code></a> Remove Python Compatibility Warnings (<a href="https://github-redirect.dependabot.com/PyCQA/flake8-bugbear/issues/182">#182</a>)</li>
<li><a href="https://github.com/PyCQA/flake8-bugbear/commit/ceffb5e751e3892702adbabfb4cfb946f8d4c567"><code>ceffb5e</code></a> Add 3.10 Dev Tests (<a href="https://github-redirect.dependabot.com/PyCQA/flake8-bugbear/issues/183">#183</a>)</li>
<li><a href="https://github.com/PyCQA/flake8-bugbear/commit/7cf32e0300735af93dfe0d90ac1e9c20adbc5cf5"><code>7cf32e0</code></a> Fix wrong call method in test (<a href="https://github-redirect.dependabot.com/PyCQA/flake8-bugbear/issues/179">GH-179</a>)</li>
<li><a href="https://github.com/PyCQA/flake8-bugbear/commit/117aeafb55b36c8aacb6602e1af3552f4e93e332"><code>117aeaf</code></a> B008: Whitelist more immutable function calls (<a href="https://github-redirect.dependabot.com/PyCQA/flake8-bugbear/issues/173">#173</a>)</li>
<li>See full diff in <a href="https://github.com/PyCQA/flake8-bugbear/compare/21.4.3...21.9.1">compare view</a></li>
</ul>
</details>
<br />


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</details>

pyproject.toml

@@ -49,7 +49,7 @@ bandit = "^1.7.0"
 radon = "^5.1.0"
 xenon = "^0.8.0"
 flake8-eradicate = "^1.1.0"
-flake8-bugbear = "^21.3.2"
+flake8-bugbear = "^21.9.1"
 mkdocs-material = "^7.2.6"
 mkdocs-git-revision-date-plugin = "^0.3.1"
 mike = "^0.6.0"