Bump com.squareup:kotlinpoet from 1.15.2 to 1.15.3 (#174)

Bumps [com.squareup:kotlinpoet](https://github.com/square/kotlinpoet)
from 1.15.2 to 1.15.3.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/square/kotlinpoet/releases">com.squareup:kotlinpoet's
releases</a>.</em></p>
<blockquote>
<h2>1.15.3</h2>
<p>Thanks to <a
href="https://github.com/gabrielittner"><code>@​gabrielittner</code></a>
for contributing to this release.</p>
<ul>
<li>Fix: Fix nullability of lambdas in
<code>KSTypeReference.toTypeName</code> (<a
href="https://redirect.github.com/square/kotlinpoet/issues/1756">#1756</a>).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/square/kotlinpoet/blob/main/docs/changelog.md">com.squareup:kotlinpoet's
changelog</a>.</em></p>
<blockquote>
<h2>Version 1.15.3</h2>
<p>Thanks to [<a
href="https://github.com/gabrielittner"><code>@​gabrielittner</code></a>][gabrielittner]
for contributing to this release.</p>
<p><em>2023-12-04</em></p>
<ul>
<li>Fix: Fix nullability of lambdas in
<code>KSTypeReference.toTypeName</code> (<a
href="https://redirect.github.com/square/kotlinpoet/issues/1756">#1756</a>).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/square/kotlinpoet/commit/6e3d289d206594a1cd57ae70c81465d41b70d2b6"><code>6e3d289</code></a>
Prepare for release 1.15.3</li>
<li><a
href="https://github.com/square/kotlinpoet/commit/4e1229515954d61f5a38a4a9a8fcf45f8cca9fc6"><code>4e12295</code></a>
chore(deps): update plugin spotless to v6.23.3</li>
<li><a
href="https://github.com/square/kotlinpoet/commit/51b218bdcb4bdf8b5f8a43e8e46bdd4cdbc771e2"><code>51b218b</code></a>
fix nullability of lambdas in KSTypeReference.toTypeName (<a
href="https://redirect.github.com/square/kotlinpoet/issues/1756">#1756</a>)</li>
<li><a
href="https://github.com/square/kotlinpoet/commit/221bbbcec65b19890505e4439cb5fe449411b64e"><code>221bbbc</code></a>
chore(deps): update dependency termcolor to v2.4.0</li>
<li><a
href="https://github.com/square/kotlinpoet/commit/46a4479ddb869fd5232241cc2518713d8fb04cb8"><code>46a4479</code></a>
Prepare next development version</li>
<li>See full diff in <a
href="https://github.com/square/kotlinpoet/compare/1.15.2...1.15.3">compare
view</a></li>
</ul>
</details>
<br />


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gradle/libs.versions.toml

@@ -5,7 +5,7 @@ coroutines = "1.7.3"
 dokka = "1.9.10"
 junit = "4.13.2"
 kotlin = "1.9.21"
-kotlinpoet = "1.15.2"
+kotlinpoet = "1.15.3"
 mavenplugin = "0.25.3"
 moshi = "1.15.0"
 okhttp = "4.12.0"