Lower Newtonsoft.Json dependency

Author: Kralizek

src/Kralizek.Extensions.Configuration.Objects/Kralizek.Extensions.Configuration.Objects.csproj

@@ -23,7 +23,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="2.1.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="7.0.1" />
   </ItemGroup>
 
 </Project>