stylecop and gitversioning private assets

Author: jviau

src/Directory.Build.props

@@ -15,8 +15,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Nerdbank.GitVersioning" Version="1.6.30" />
-    <PackageReference Include="StyleCop.Analyzers" Version="1.0.0" />
+    <PackageReference Include="Nerdbank.GitVersioning" Version="1.6.30" PrivateAssets="all" />
+    <PackageReference Include="StyleCop.Analyzers" Version="1.0.0" PrivateAssets="all" />
   </ItemGroup>
 
 </Project>