Bump SixLabors.ImageSharp from 3.1.10 to 3.1.11#659

SimonCropp merged 1 commit intomainVerifyTests/Verify.ImageSharp:mainfrom

dependabot/nuget/src/SixLabors.ImageSharp-3.1.11VerifyTests/Verify.ImageSharp:dependabot/nuget/src/SixLabors.ImageSharp-3.1.11Copy head branch name to clipboard