Bump Microsoft.NET.Test.Sdk from 17.11.1 to 18.8.1#9

dependabot[bot] wants to merge 1 commit into

maintjone270/ATENtion:mainfrom

dependabot/nuget/tests/ATENtion.Tests/Microsoft.NET.Test.Sdk-18.8.1tjone270/ATENtion:dependabot/nuget/tests/ATENtion.Tests/Microsoft.NET.Test.Sdk-18.8.1Copy head branch name to clipboard