Bump SixLabors.ImageSharp from 3.1.6 to 3.1.7 in /UVtools.Core#1005

sn4k3 merged 1 commit intomastersn4k3/UVtools:masterfrom

dependabot/nuget/UVtools.Core/SixLabors.ImageSharp-3.1.7sn4k3/UVtools:dependabot/nuget/UVtools.Core/SixLabors.ImageSharp-3.1.7Copy head branch name to clipboard