chore(deps): update dependency nunit to 4.6.0 (#2579)

Co-authored-by: Renovate Bot <renovate@whitesourcesoftware.com>

Author: thomhurst

Directory.Packages.props

@@ -68,7 +68,7 @@
     <PackageVersion Include="MSTest.TestFramework" Version="4.2.2" />
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageVersion Include="NReco.Logging.File" Version="1.3.1" />
-    <PackageVersion Include="NUnit" Version="4.5.1" />
+    <PackageVersion Include="NUnit" Version="4.6.0" />
     <PackageVersion Include="NUnit.Analyzers" Version="4.13.0" />
     <PackageVersion Include="NUnit3TestAdapter" Version="6.2.0" />
     <PackageVersion Include="Octokit" Version="14.0.0" />