Bump SixLabors.ImageSharp from 3.1.1 to 3.1.2 (#3110)

Bumps [SixLabors.ImageSharp](https://github.com/SixLabors/ImageSharp) from 3.1.1 to 3.1.2.
- [Release notes](https://github.com/SixLabors/ImageSharp/releases)
- [Commits](https://github.com/SixLabors/ImageSharp/compare/v3.1.1...v3.1.2)

---
updated-dependencies:
- dependency-name: SixLabors.ImageSharp
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

UICatalog/UICatalog.csproj

@@ -21,7 +21,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.19.5" />
-    <PackageReference Include="SixLabors.ImageSharp" Version="3.1.1" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="3.1.2" />
     <PackageReference Include="CsvHelper" Version="30.0.1" />
     <PackageReference Include="Microsoft.DotNet.PlatformAbstractions" Version="3.1.6" />
   </ItemGroup>