Bump Verify.NUnit from 30.20.0 to 30.20.1#6

dependabot[bot] wants to merge 1 commit intomainVerifyTests/Verify.ClosedXml:mainfrom

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