Bump Microsoft.NET.Test.Sdk from 16.10.0 to 17.3.1 in /src#19

dependabot[bot] wants to merge 1 commit into

masterOpenSAGE/FixedMath.NET:masterfrom

dependabot/nuget/src/Microsoft.NET.Test.Sdk-17.3.1OpenSAGE/FixedMath.NET:dependabot/nuget/src/Microsoft.NET.Test.Sdk-17.3.1Copy head branch name to clipboard