Bump Microsoft.NET.Test.Sdk from 17.12.0 to 18.3.0#24

dependabot[bot] wants to merge 1 commit intomasterprofana/dotnet-outdated:masterfrom

dependabot/nuget/test/DotNetOutdated.Tests/master/Microsoft.NET.Test.Sdk-18.3.0profana/dotnet-outdated:dependabot/nuget/test/DotNetOutdated.Tests/master/Microsoft.NET.Test.Sdk-18.3.0Copy head branch name to clipboard