Bump Microsoft.NET.Test.Sdk from 17.14.1 to 18.3.0#135

dependabot[bot] wants to merge 1 commit intopreview/1.0petesramek/polyline-algorithm-csharp:preview/1.0from

dependabot/nuget/tests/PolylineAlgorithm.Tests/Microsoft.NET.Test.Sdk-18.3.0petesramek/polyline-algorithm-csharp:dependabot/nuget/tests/PolylineAlgorithm.Tests/Microsoft.NET.Test.Sdk-18.3.0Copy head branch name to clipboard