Resolved #962: Upgrade to Nito.AsyncEx libraries to 5.0

framework/src/Volo.Abp.Core/Volo.Abp.Core.csproj

@@ -24,7 +24,7 @@
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="2.2.0" />
     <PackageReference Include="JetBrains.Annotations" Version="2018.3.0" />
-    <PackageReference Include="Nito.AsyncEx.Coordination" Version="1.0.2" />
-    <PackageReference Include="Nito.AsyncEx.Context" Version="1.1.0" />
+    <PackageReference Include="Nito.AsyncEx.Coordination" Version="5.0.0" />
+    <PackageReference Include="Nito.AsyncEx.Context" Version="5.0.0" />
   </ItemGroup>
 </Project>