Bump SixLabors.ImageSharp from 3.1.5 to 3.1.6 in /ImperatorToCK3 (#2327)

Bumps [SixLabors.ImageSharp](https://github.com/SixLabors/ImageSharp)
from 3.1.5 to 3.1.6.
<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>v3.1.6</h2>
<h2>What's Changed</h2>
<ul>
<li>Mono AOT decoder workaround for slow jpeg decoding. by <a
href="https://github.com/JimBobSquarePants"><code>@​JimBobSquarePants</code></a>
in <a
href="https://redirect.github.com/SixLabors/ImageSharp/pull/2762">SixLabors/ImageSharp#2762</a></li>
<li>V3 - Correctly handle transform spaces when building transform
matrices. by <a
href="https://github.com/JimBobSquarePants"><code>@​JimBobSquarePants</code></a>
in <a
href="https://redirect.github.com/SixLabors/ImageSharp/pull/2791">SixLabors/ImageSharp#2791</a></li>
<li>Backport : V3 Fix <a
href="https://redirect.github.com/SixLabors/ImageSharp/issues/2779">#2779</a>
buffer overrun by <a
href="https://github.com/JimBobSquarePants"><code>@​JimBobSquarePants</code></a>
in <a
href="https://redirect.github.com/SixLabors/ImageSharp/pull/2824">SixLabors/ImageSharp#2824</a></li>
<li>Backport - v3 WEBP : Use Correct Width With AlphaDecoder by <a
href="https://github.com/JimBobSquarePants"><code>@​JimBobSquarePants</code></a>
in <a
href="https://redirect.github.com/SixLabors/ImageSharp/pull/2827">SixLabors/ImageSharp#2827</a></li>
<li>Rewrite ChunkedMemoryStream by <a
href="https://github.com/JimBobSquarePants"><code>@​JimBobSquarePants</code></a>
in <a
href="https://redirect.github.com/SixLabors/ImageSharp/pull/2828">SixLabors/ImageSharp#2828</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/SixLabors/ImageSharp/compare/v3.1.5...v3.1.6">https://github.com/SixLabors/ImageSharp/compare/v3.1.5...v3.1.6</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/313a7e8daaae0d5eacb50b16b0398e40266e890a"><code>313a7e8</code></a>
Merge pull request <a
href="https://redirect.github.com/SixLabors/ImageSharp/issues/2828">#2828</a>
from SixLabors/js/issue-2806</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/c4fd666018266f1db59efc584dd4d0e195ed1736"><code>c4fd666</code></a>
Update tests/ImageSharp.Tests/IO/ChunkedMemoryStreamTests.cs</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/c45702df5b2c0464098bb3f7def7bf396bd537fd"><code>c45702d</code></a>
Fix read bug.</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/630166211c7c3d1b6b56f250bf198cc967d3e42b"><code>6301662</code></a>
Feedback updates and massively expand write tests</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/b74d2e425774333e4be9b1e776f81b10fb003eee"><code>b74d2e4</code></a>
Add WriteByte and optimize ReadByte</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/03343c4abee4d33c128f70050505613022e754df"><code>03343c4</code></a>
Simplify and optimize position checking</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/f96f8ca285693e70fe095d953bc8f930bb7a81ba"><code>f96f8ca</code></a>
Revert &quot;Update BufferedStreams.cs&quot;</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/48645f8b4772a4d3dc07bcc5d96105fe979f94e7"><code>48645f8</code></a>
Rewrite ChunkedMemoryStream</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/c418bb0def340b1a2c25d09e27b0404842f58227"><code>c418bb0</code></a>
Revert &quot;Remove ChunkedMemoryStream&quot;</li>
<li><a
href="https://github.com/SixLabors/ImageSharp/commit/ee535321e22fe3b8f765063d7e5f7dfa2964f550"><code>ee53532</code></a>
Merge branch 'release/3.1.x' into js/issue-2806</li>
<li>Additional commits viewable in <a
href="https://github.com/SixLabors/ImageSharp/compare/v3.1.5...v3.1.6">compare
view</a></li>
</ul>
</details>
<br />


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ImperatorToCK3/ImperatorToCK3.csproj

@@ -49,7 +49,7 @@
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="SixLabors.ImageSharp" Version="3.1.5"/>
+        <PackageReference Include="SixLabors.ImageSharp" Version="3.1.6"/>
     </ItemGroup>
 
     <ItemGroup>