Use project reference

Author: JohanLarsson

ValidCode/ValidCode.csproj

@@ -12,7 +12,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AspNetCoreAnalyzers" Version="0.2.0-dev" PrivateAssets="all" />
+    <ProjectReference Include="..\AspNetCoreAnalyzers\AspNetCoreAnalyzers.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
+  </ItemGroup>
+
+  <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.0-preview.7.20365.15" />
   </ItemGroup>
 </Project>