refs and cleanup

Author: SimonCropp

src/Verify.ICSharpCode.Decompiler/Verify.ICSharpCode.Decompiler.csproj

@@ -7,6 +7,6 @@
     <PackageReference Include="System.Reflection.Metadata" />
     <PackageReference Include="Verify" />
     <PackageReference Include="ProjectDefaults" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.Sbom.Targets" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.Sbom.Targets" PrivateAssets="all" Condition="$(Configuration)=='Release'" />
   </ItemGroup>
 </Project>