fixed error

Author: FabianGosebrink

SampleWebApiAspNetCore/SampleWebApiAspNetCore.csproj

@@ -13,7 +13,7 @@
     <PackageReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Versioning" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Versioning.ApiExplorer" Version="2.2.0" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="2.1.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="2.1.1" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="2.4.0" />
     <PackageReference Include="System.Linq.Dynamic.Core" Version="1.0.8.9" />
   </ItemGroup>