Bump seanmiddleditch/gha-setup-ninja from 5 to 6 (#121)

Bumps
[seanmiddleditch/gha-setup-ninja](https://github.com/seanmiddleditch/gha-setup-ninja)
from 5 to 6.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/seanmiddleditch/gha-setup-ninja/releases">seanmiddleditch/gha-setup-ninja's
releases</a>.</em></p>
<blockquote>
<h2>v6</h2>
<ul>
<li>Support and default to ninja 1.12.1</li>
<li>Support Windows and Linux 64-bit ARM builds of ninja
<ul>
<li>Added <code>winarm64</code> and <code>linux-aarch64</code> options
to <code>platform</code> input</li>
</ul>
</li>
<li>Update dependencies</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="3b1f8f94a2"><code>3b1f8f9</code></a>
Bump undici from 5.28.4 to 5.28.5 (<a
href="https://redirect.github.com/seanmiddleditch/gha-setup-ninja/issues/33">#33</a>)</li>
<li><a
href="7fa4bc09c4"><code>7fa4bc0</code></a>
matrix: include: v1.12.1 on ubuntu-24.04-arm (<a
href="https://redirect.github.com/seanmiddleditch/gha-setup-ninja/issues/34">#34</a>)</li>
<li><a
href="78f0be81b7"><code>78f0be8</code></a>
Add Ninja 1.12.1 support, including improved platform detection (<a
href="https://redirect.github.com/seanmiddleditch/gha-setup-ninja/issues/29">#29</a>)</li>
<li><a
href="d3403b5f8e"><code>d3403b5</code></a>
Add Ninja v1.12.1 to the testing (<a
href="https://redirect.github.com/seanmiddleditch/gha-setup-ninja/issues/32">#32</a>)</li>
<li>See full diff in <a
href="https://github.com/seanmiddleditch/gha-setup-ninja/compare/v5...v6">compare
view</a></li>
</ul>
</details>
<br />


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</details>

.github/workflows/build.yml

@@ -135,7 +135,7 @@ jobs:
           submodules: recursive
 
       - name: Install Ninja
-        uses: seanmiddleditch/gha-setup-ninja@v5
+        uses: seanmiddleditch/gha-setup-ninja@v6
 
       - name: Install Clang
         if: "${{ matrix.platform == 'Linux x86_64 Clang' }}"