Bump SixLabors.ImageSharp from 3.1.12 to 4.1.1

---
updated-dependencies:
- dependency-name: SixLabors.ImageSharp
  dependency-version: 4.1.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Codout.Image.Extensions/Codout.Image.Extensions.csproj

@@ -10,7 +10,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="SixLabors.ImageSharp" Version="3.1.12" />
+		<PackageReference Include="SixLabors.ImageSharp" Version="4.1.1" />
 		<PackageReference Include="SixLabors.ImageSharp.Drawing" Version="2.1.7" />
 	</ItemGroup>