build(deps): bump SixLabors.ImageSharp from 3.1.4 to 3.1.5

Bumps [SixLabors.ImageSharp](https://github.com/SixLabors/ImageSharp) from 3.1.4 to 3.1.5.
- [Release notes](https://github.com/SixLabors/ImageSharp/releases)
- [Commits](SixLabors/ImageSharp@v3.1.4...v3.1.5)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -10,7 +10,7 @@
 		<PackageVersion Include="MSTest.TestFramework" Version="3.5.0" />
 		<PackageVersion Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
 		<PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
-		<PackageVersion Include="SixLabors.ImageSharp" Version="3.1.4" />
+		<PackageVersion Include="SixLabors.ImageSharp" Version="3.1.5" />
 		<PackageVersion Include="Spectre.Console" Version="0.49.1" />
 		<PackageVersion Include="Spectre.Console.Cli" Version="0.49.1" />
 		<PackageVersion Include="System.Configuration.ConfigurationManager" Version="8.0.0" />