chore(dev-deps): bump maturin from 1.8.0 to 1.8.1 (#86)

Bumps [maturin](https://github.com/pyo3/maturin) from 1.8.0 to 1.8.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/pyo3/maturin/releases">maturin's
releases</a>.</em></p>
<blockquote>
<h2>v1.8.1</h2>
<h2>What's Changed</h2>
<ul>
<li>Update minimal manylinux version for riscv64 by <a
href="https://github.com/messense"><code>@​messense</code></a> in <a
href="https://redirect.github.com/PyO3/maturin/pull/2415">PyO3/maturin#2415</a></li>
<li>Make invalid version info in <code>pyproject.toml</code> less fatal
by <a href="https://github.com/mhils"><code>@​mhils</code></a> in <a
href="https://redirect.github.com/PyO3/maturin/pull/2417">PyO3/maturin#2417</a></li>
<li>Make <code>maturin develop</code> fail if version info is missing in
<code>pyproject.toml</code> by <a
href="https://github.com/mhils"><code>@​mhils</code></a> in <a
href="https://redirect.github.com/PyO3/maturin/pull/2418">PyO3/maturin#2418</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/PyO3/maturin/compare/v1.8.0...v1.8.1">https://github.com/PyO3/maturin/compare/v1.8.0...v1.8.1</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/PyO3/maturin/blob/main/Changelog.md">maturin's
changelog</a>.</em></p>
<blockquote>
<h2>[1.8.1]</h2>
<ul>
<li>Downgrade invalid version info in <code>pyproject.toml</code> error
to warning in <a
href="https://redirect.github.com/PyO3/maturin/pull/2417">#2417</a></li>
<li>Make <code>maturin develop</code> fail if version info is invalid in
pyproject.toml in <a
href="https://redirect.github.com/PyO3/maturin/pull/2418">#2418</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/PyO3/maturin/commit/d95faa64f2c9971820314d228da9a7e71d2e4b87"><code>d95faa6</code></a>
Release v1.8.1</li>
<li><a
href="https://github.com/PyO3/maturin/commit/0c5672c7c704b3adacddf344afe83f48cfd3dd37"><code>0c5672c</code></a>
Tweak invalid version info error message</li>
<li><a
href="https://github.com/PyO3/maturin/commit/cd7828f9ea98e83c4eddab8fc390060a008f3d42"><code>cd7828f</code></a>
Make <code>maturin develop</code> fail if version info is missing in
<code>pyproject.toml</code> (#...</li>
<li><a
href="https://github.com/PyO3/maturin/commit/0e143c1acbd4420a9ba3677ba0f246fc41aea052"><code>0e143c1</code></a>
Make invalid version info in <code>pyproject.toml</code> less fatal (<a
href="https://redirect.github.com/pyo3/maturin/issues/2417">#2417</a>)</li>
<li><a
href="https://github.com/PyO3/maturin/commit/1082bc41c2200382642ddbae87e35a8bd0714289"><code>1082bc4</code></a>
Update minimal manylinux version for riscv64 (<a
href="https://redirect.github.com/pyo3/maturin/issues/2415">#2415</a>)</li>
<li>See full diff in <a
href="https://github.com/pyo3/maturin/compare/v1.8.0...v1.8.1">compare
view</a></li>
</ul>
</details>
<br />


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</details>

pyproject.toml

@@ -56,7 +56,7 @@ typer = "^0.15.0"
 typing-extensions = { version = "^4.12.2", python = "<3.9" }
 
 [tool.poetry.group.build.dependencies]
-maturin = "^1.8.0"
+maturin = "^1.8.1"
 
 [tool.poetry.group.dev.dependencies]
 pynvim = "^0.5.2"