Bump Microsoft.NET.Test.Sdk from 17.4.1 to 18.4.0#9

dependabot[bot] wants to merge 1 commit intomainCleverCodeCravers/LittleScriptBuddy:mainfrom

dependabot/nuget/Source/LittleScriptBuddy/LittleScriptBuddy.Domain.Tests/Microsoft.NET.Test.Sdk-18.4.0CleverCodeCravers/LittleScriptBuddy:dependabot/nuget/Source/LittleScriptBuddy/LittleScriptBuddy.Domain.Tests/Microsoft.NET.Test.Sdk-18.4.0Copy head branch name to clipboard