upgrade vulnerable imagesharp dependency

Author: Krzyhau

Core/FEZRepacker.Core.csproj

@@ -29,7 +29,7 @@
     <PackageReference Include="SharpGLTF.Core" Version="1.0.4" />
     <PackageReference Include="SharpGLTF.Toolkit" Version="1.0.4" />
     <PackageReference Include="System.Text.Json" Version="9.0.4" />
-    <PackageReference Include="SixLabors.ImageSharp" Version="2.1.10" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="2.1.11" />
   </ItemGroup>
 
 </Project>