Bump sphinx-issues from 2.0.0 to 3.0.1 (#149)

Bumps [sphinx-issues](https://github.com/sloria/sphinx-issues) from 2.0.0 to 3.0.1.
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/sloria/sphinx-issues/commit/223b8e023904806cd90cff89faf1839150ba511f"><code>223b8e0</code></a> Bump version and update changelog</li>
<li><a href="https://github.com/sloria/sphinx-issues/commit/050befdadcd223ac34c94cca6fd46555cffbd253"><code>050befd</code></a> Fix &quot;exception: 'in &lt;string&gt;' requires string as left operand, not type&quot; (<a href="https://github-redirect.dependabot.com/sloria/sphinx-issues/issues/126">#126</a>)</li>
<li><a href="https://github.com/sloria/sphinx-issues/commit/b2baffeb10f9e0a2f1e12570b843b421357d4179"><code>b2baffe</code></a> Bump version, update changelog, update license</li>
<li><a href="https://github.com/sloria/sphinx-issues/commit/2e019f877028ee5d3dfc35165a11ac686dee2150"><code>2e019f8</code></a> Allow customization (<a href="https://github-redirect.dependabot.com/sloria/sphinx-issues/issues/120">#120</a>)</li>
<li><a href="https://github.com/sloria/sphinx-issues/commit/b34a337f2e40fcca94aeecb0897dac24af938cac"><code>b34a337</code></a> Remove .travis.yml and update badge (<a href="https://github-redirect.dependabot.com/sloria/sphinx-issues/issues/124">#124</a>)</li>
<li><a href="https://github.com/sloria/sphinx-issues/commit/28b1480f3cb92098694104fbeca5ee89380f877b"><code>28b1480</code></a> Add the CWE role (<a href="https://github-redirect.dependabot.com/sloria/sphinx-issues/issues/123">#123</a>)</li>
<li><a href="https://github.com/sloria/sphinx-issues/commit/1886c4e10bb6357b278fa1c3c3a4830db298be69"><code>1886c4e</code></a> Fix changelog date</li>
<li>See full diff in <a href="https://github.com/sloria/sphinx-issues/compare/2.0.0...3.0.1">compare view</a></li>
</ul>
</details>
<br />


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</details>

pyproject.toml

@@ -50,7 +50,7 @@ pytest = "6.2.5"
 pytest-cov = "3.0.0"
 Sphinx = "4.3.2"
 sphinx-click = "3.0.2"
-sphinx-issues = "2.0.0"
+sphinx-issues = "3.0.1"
 nbsphinx = "^0.8.8"
 sphinx-rtd-theme = "1.0.0"
 sphinx-autodoc-typehints = "1.15.1"