Bump Microsoft.NET.Test.Sdk from 16.6.1 to 16.8.3 in /tests/Visualizations.Tests#182

dependabot[bot] wants to merge 1 commit intomastertreker-mk/website:masterfrom

dependabot/nuget/tests/Visualizations.Tests/Microsoft.NET.Test.Sdk-16.8.3treker-mk/website:dependabot/nuget/tests/Visualizations.Tests/Microsoft.NET.Test.Sdk-16.8.3Copy head branch name to clipboard