Bump Sixlabors.ImageSharp from 2.1.7 to 2.1.8 in /csharp/sample/Micro…

…soft.ML.OnnxRuntime.FasterRcnnSample (#20314)

Bumps [Sixlabors.ImageSharp](https://github.com/SixLabors/ImageSharp)
from 2.1.7 to 2.1.8.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/SixLabors/ImageSharp/releases">Sixlabors.ImageSharp's
releases</a>.</em></p>
<blockquote>
<h2>v2.1.8</h2>
<h2>What's Changed</h2>
<ul>
<li>V2 - Limit Read Palette Indices by <a
href="https://github.com/JimBobSquarePants"><code>@​JimBobSquarePants</code></a>
in <a
href="https://redirect.github.com/SixLabors/ImageSharp/pull/2719">SixLabors/ImageSharp#2719</a></li>
<li>V2 - Clear Pixel Buffers on Decode. by <a
href="https://github.com/JimBobSquarePants"><code>@​JimBobSquarePants</code></a>
in <a
href="https://redirect.github.com/SixLabors/ImageSharp/pull/2717">SixLabors/ImageSharp#2717</a></li>
<li>V2 - Limit all memory allocations in the MemoryAllocator layer by <a
href="https://github.com/JimBobSquarePants"><code>@​JimBobSquarePants</code></a>
in <a
href="https://redirect.github.com/SixLabors/ImageSharp/pull/2715">SixLabors/ImageSharp#2715</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/SixLabors/ImageSharp/compare/v2.1.7...v2.1.8">https://github.com/SixLabors/ImageSharp/compare/v2.1.7...v2.1.8</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/f21d64188e59ae9464ff462056a5e29d8e618b27"><code>f21d641</code></a>
Merge pull request <a
href="https://redirect.github.com/SixLabors/ImageSharp/issues/2715">#2715</a>
from SixLabors/backport/v2-memlimit</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/8f0b4d3e680e78d479a88e7b1472bccd8f096d68"><code>8f0b4d3</code></a>
Merge pull request <a
href="https://redirect.github.com/SixLabors/ImageSharp/issues/2717">#2717</a>
from SixLabors/backport/v2-clear-buffers</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/cf9496d28489d693157d65aaa6e31a88b834a08d"><code>cf9496d</code></a>
test allocation limits</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/3d298db2cde6155e0b58f85e2b8e0a80b2d6702e"><code>3d298db</code></a>
Adapt BmpDecoder_ThrowsException_Issue2696 for V2</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/a78ce27a2b7dfe63812b4c309502ac257b5cc7fb"><code>a78ce27</code></a>
Merge pull request <a
href="https://redirect.github.com/SixLabors/ImageSharp/issues/2719">#2719</a>
from SixLabors/backport/v2-check-palette-indices</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/e6209147b19a5f09926e429c188773fac5580166"><code>e620914</code></a>
Clamp read palette indices.</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/c122185ea030fcbad2e7aaab9d0a3d6cf30d6798"><code>c122185</code></a>
Clear pixel buffers on decode.</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/5c6ec5d6fbb3f491e1352d89304564e9f5766e99"><code>5c6ec5d</code></a>
Limit all allocations</li>
<li>See full diff in <a
href="https://github.com/SixLabors/ImageSharp/compare/v2.1.7...v2.1.8">compare
view</a></li>
</ul>
</details>
<br />


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csharp/sample/Microsoft.ML.OnnxRuntime.FasterRcnnSample/Microsoft.ML.OnnxRuntime.FasterRcnnSample.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.ML.OnnxRuntime" Version="1.16.3" />
-    <PackageReference Include="Sixlabors.ImageSharp" Version="2.1.7" />
+    <PackageReference Include="Sixlabors.ImageSharp" Version="2.1.8" />
     <PackageReference Include="SixLabors.ImageSharp.Drawing" Version="1.0.0-beta14" />
   </ItemGroup>