Bump pytest-docker from 3.0.0 to 3.1.1 (#71)

Bumps [pytest-docker](https://github.com/avast/pytest-docker) from 3.0.0
to 3.1.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/avast/pytest-docker/releases">pytest-docker's
releases</a>.</em></p>
<blockquote>
<h2>v3.1.1</h2>
<p>Type annotation for <code>docker_compose_file</code> fixed.</p>
<h2>v3.1.0</h2>
<p>Types for mypy.</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/avast/pytest-docker/commit/0651ad6775d43f7496b3deaa77db511f868b5844"><code>0651ad6</code></a>
version bump</li>
<li><a
href="https://github.com/avast/pytest-docker/commit/697d3d86f182f13e3276506f554a382172899d7c"><code>697d3d8</code></a>
allow docker_compose_files to be a list</li>
<li><a
href="https://github.com/avast/pytest-docker/commit/3066c53d40aab87e2c737306c2289f721ca64c7f"><code>3066c53</code></a>
chore: Python 3.12 support</li>
<li><a
href="https://github.com/avast/pytest-docker/commit/0b89c76f8dd278b98485fffe2fa030d8e05d7d7d"><code>0b89c76</code></a>
feat: add types for mypy (<a
href="https://redirect.github.com/avast/pytest-docker/issues/101">#101</a>)</li>
<li>See full diff in <a
href="https://github.com/avast/pytest-docker/compare/v3.0.0...v3.1.1">compare
view</a></li>
</ul>
</details>
<br />


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