Bump Microsoft.NET.Test.Sdk from 17.14.1 to 18.8.1#14

dependabot[bot] wants to merge 1 commit into

masterDavidVeksler/CodeContext:masterfrom

dependabot/nuget/CodeContext.Tests/Microsoft.NET.Test.Sdk-18.8.1DavidVeksler/CodeContext:dependabot/nuget/CodeContext.Tests/Microsoft.NET.Test.Sdk-18.8.1Copy head branch name to clipboard