Update Microsoft.AspNetCore.Hosting.Abstractions and Microsoft.AspNetCore.Http.Abstractions to 2.3.0

Author: Adam Ashton

src/Serilog.AspNetCore/Serilog.AspNetCore.csproj

@@ -39,8 +39,8 @@
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net462' or '$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'netstandard2.1' ">
-    <PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" Version="2.2.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="2.2.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" Version="2.3.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="2.3.0" />
   </ItemGroup>
 
 </Project>