Revert "Update ASP.NET Core dependencies"

This reverts commit 36ccc4d.

Author: fabiocav

src/WebJobs.Script.WebHost/WebJobs.Script.WebHost.csproj

@@ -50,7 +50,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.App" Version="2.2.2" />
+    <PackageReference Include="Microsoft.AspNetCore.App" Version="2.2.1" />
     <PackageReference Include="Microsoft.Azure.AppService.Proxy.Client" Version="2.0.6830001-df202c6c" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Host.Storage" Version="3.0.4" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Logging" Version="3.0.4" />