Bump Microsoft.NETCore.App from 1.0.5 to 2.0.3

---
updated-dependencies:
- dependency-name: Microsoft.NETCore.App
  dependency-version: 2.0.3
  dependency-type: direct:production
  dependency-group: nuget
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/Services/Ordering/Ordering.SignalrHub/Ordering.SignalrHub.csproj

@@ -42,6 +42,7 @@
     <PackageReference Include="Microsoft.Extensions.Logging.AzureAppServices" Version="9.0.0" />
   </ItemGroup>
   <ItemGroup>
+    <PackageReference Include="Microsoft.NETCore.App" Version="2.0.3" />
     <ProjectReference Include="..\..\..\BuildingBlocks\EventBus\EventBusRabbitMQ\EventBusRabbitMQ.csproj" />
     <ProjectReference Include="..\..\..\BuildingBlocks\EventBus\EventBusServiceBus\EventBusServiceBus.csproj" />
     <ProjectReference Include="..\..\..\BuildingBlocks\EventBus\EventBus\EventBus.csproj" />