Bump Microsoft.TestPlatform.ObjectModel from 17.12.0 to 18.0.1#16

dependabot[bot] wants to merge 1 commit intomainTimmyMC/Schema.NET:mainfrom

dependabot/nuget/Tests/Schema.NET.Test/Microsoft.TestPlatform.ObjectModel-18.0.1TimmyMC/Schema.NET:dependabot/nuget/Tests/Schema.NET.Test/Microsoft.TestPlatform.ObjectModel-18.0.1Copy head branch name to clipboard