refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -14,6 +14,6 @@
     <PackageVersion Include="ProjectDefaults" Version="1.0.162" />
     <PackageVersion Include="xunit.v3" Version="3.2.0" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
-    <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.4" />>
+    <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.4" />
   </ItemGroup>
 </Project>