Update dependency Newtonsoft.Json.Schema to v4 (#1521)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Directory.Packages.props

@@ -26,7 +26,7 @@
     <PackageVersion Include="MSTest.TestAdapter" Version="3.11.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.4" />
-    <PackageVersion Include="Newtonsoft.Json.Schema" Version="3.0.16" />
+    <PackageVersion Include="Newtonsoft.Json.Schema" Version="4.0.1" />
     <PackageVersion Include="NuGet.ProjectModel" Version="6.14.0" />
     <PackageVersion Include="NuGet.Versioning" Version="6.14.0" />
     <PackageVersion Include="packageurl-dotnet" Version="1.0.0" />