refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -12,7 +12,7 @@
     <PackageVersion Include="Verify" Version="30.7.3" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
     <PackageVersion Include="Verify.XunitV3" Version="30.7.3" />
-    <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="9.0.8" />
   </ItemGroup>