refs or cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -9,7 +9,7 @@
     <PackageVersion Include="NUnit" Version="4.2.2" />
     <PackageVersion Include="NUnit3TestAdapter" Version="4.6.0" />
     <PackageVersion Include="Polyfill" Version="6.14.0" />
-    <PackageVersion Include="ProjectDefaults" Version="1.0.136" />
+    <PackageVersion Include="ProjectDefaults" Version="1.0.137" />
     <PackageVersion Include="System.Collections.Immutable" Version="8.0.0" />
     <PackageVersion Include="System.Memory" Version="4.5.5" />
     <PackageVersion Include="System.Threading.Tasks.Extensions" Version="4.5.4" />