Bump TUnit from 1.7.7 to 1.7.20#49

dependabot[bot] wants to merge 1 commit intomainOSLC/oslc-rm-strictdoc-dotnet:mainfrom

dependabot/nuget/src/StrictDocOslcRmServer/StrictDocOslcRm.Tests/TUnit-1.7.20OSLC/oslc-rm-strictdoc-dotnet:dependabot/nuget/src/StrictDocOslcRmServer/StrictDocOslcRm.Tests/TUnit-1.7.20Copy head branch name to clipboard