Bump Verify.NUnit from 30.19.1 to 30.20.1#749

SimonCropp merged 1 commit intomainVerifyTests/Verify.ImageMagick:mainfrom

dependabot/nuget/src/Verify.NUnit-30.20.1VerifyTests/Verify.ImageMagick:dependabot/nuget/src/Verify.NUnit-30.20.1Copy head branch name to clipboard