Bump NUnit from 4.3.1 to 4.3.2 in /src#624

dependabot[bot] merged 1 commit intomainVerifyTests/Verify.ImageSharp:mainfrom

dependabot/nuget/src/NUnit-4.3.2VerifyTests/Verify.ImageSharp:dependabot/nuget/src/NUnit-4.3.2Copy head branch name to clipboard