refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -14,7 +14,7 @@
     <PackageVersion Include="NUnit" Version="4.4.0" />
     <PackageVersion Include="NUnit3TestAdapter" Version="6.0.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.163" />
-    <PackageVersion Include="System.Diagnostics.DiagnosticSource" Version="10.0.0" />
+    <PackageVersion Include="System.Diagnostics.DiagnosticSource" Version="10.0.1" />
     <PackageVersion Include="Verify" Version="31.8.0" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
     <PackageVersion Include="Verify.NUnit" Version="31.8.0" />