refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -14,7 +14,7 @@
     <PackageVersion Include="WolverineFx" Version="4.9.1" />
     <PackageVersion Include="xunit.v3" Version="3.0.0" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.3" />
-    <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.0" />
+    <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.1" />
     <!-- explicit to avoid a cve -->
     <PackageVersion Include="System.Text.Json" Version="8.0.5" />
     <PackageVersion Include="Microsoft.Extensions.Caching.Memory" Version="8.0.1" />