Bump DiffEngine from 19.0.0 to 19.1.2#30

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

dependabot/nuget/src/DiffEngine-19.1.2VerifyTests/Verify.ReadableExpressions:dependabot/nuget/src/DiffEngine-19.1.2Copy head branch name to clipboard