Bumps [shellingham](https://github.com/sarugaku/shellingham) from 1.5.3
to 1.5.4.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/sarugaku/shellingham/releases">shellingham's
releases</a>.</em></p>
<blockquote>
<h2>1.5.4</h2>
<h2>What's Changed</h2>
<ul>
<li>Fix test_get_shell test according to new code by <a
href="https://github.com/eamanu"><code>@​eamanu</code></a> in <a
href="https://redirect.github.com/sarugaku/shellingham/pull/82">sarugaku/shellingham#82</a></li>
<li>Bump certifi from 2021.5.30 to 2022.12.7 by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a
href="https://redirect.github.com/sarugaku/shellingham/pull/67">sarugaku/shellingham#67</a></li>
<li>fix: always detect the host shell on MacOS by <a
href="https://github.com/frostming"><code>@​frostming</code></a> in <a
href="https://redirect.github.com/sarugaku/shellingham/pull/83">sarugaku/shellingham#83</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/eamanu"><code>@​eamanu</code></a> made
their first contribution in <a
href="https://redirect.github.com/sarugaku/shellingham/pull/82">sarugaku/shellingham#82</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/sarugaku/shellingham/compare/1.5.3...1.5.4">https://github.com/sarugaku/shellingham/compare/1.5.3...1.5.4</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/sarugaku/shellingham/blob/master/CHANGELOG.rst">shellingham's
changelog</a>.</em></p>
<blockquote>
<h1>1.5.4 (2023-10-24)</h1>
<h2>Bug Fixes</h2>
<ul>
<li>Fix a bug that <code>detect_shell()</code> always returns the host
shell on MacOS.
<code>[#81](sarugaku/shellingham#81)
&lt;https://github.com/sarugaku/shellingham/issues/81&gt;</code>_</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/sarugaku/shellingham/commit/cba059e7f29f731c2fdf9c8c3ea7921182b7d6c3"><code>cba059e</code></a>
Release 1.5.4</li>
<li><a
href="https://github.com/sarugaku/shellingham/commit/bbfe7fba5da8038f79a14bb9b908e8f79b5a4219"><code>bbfe7fb</code></a>
Merge pull request <a
href="https://redirect.github.com/sarugaku/shellingham/issues/83">#83</a>
from sarugaku:frostming/issue81</li>
<li><a
href="https://github.com/sarugaku/shellingham/commit/778f76ebc2d702589119a100e57c3f713cc0dbd0"><code>778f76e</code></a>
update the tox.ini</li>
<li><a
href="https://github.com/sarugaku/shellingham/commit/17c90c6bcc51787c88b347d2cad5c385cbbcfaa3"><code>17c90c6</code></a>
update the lockfile</li>
<li><a
href="https://github.com/sarugaku/shellingham/commit/319c7f2f7dfcbb0fbaf11e23c19266947be91105"><code>319c7f2</code></a>
fix: always detect the host shell on MacOS</li>
<li><a
href="https://github.com/sarugaku/shellingham/commit/e5bdc073257cfcf4b9b51f0491078040ecfd9262"><code>e5bdc07</code></a>
Bump certifi from 2021.5.30 to 2022.12.7 (<a
href="https://redirect.github.com/sarugaku/shellingham/issues/67">#67</a>)</li>
<li><a
href="https://github.com/sarugaku/shellingham/commit/7c7a6f3d7e64914af07cf19f229eec27efc8f775"><code>7c7a6f3</code></a>
Merge pull request <a
href="https://redirect.github.com/sarugaku/shellingham/issues/82">#82</a>
from eamanu/fix-80</li>
<li><a
href="https://github.com/sarugaku/shellingham/commit/e777f20fa38a7939481230d86f54c451ce3277ae"><code>e777f20</code></a>
Fix test_get_shell test according to new code</li>
<li>See full diff in <a
href="https://github.com/sarugaku/shellingham/compare/1.5.3...1.5.4">compare
view</a></li>
</ul>
</details>
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