switch kestrel back to libuv til bugs are fixed

src/Api/Api.csproj

@@ -17,6 +17,7 @@
     <PackageReference Include="jsreport.Local" Version="1.1.2" />
     <PackageReference Include="Microsoft.AspNetCore.App" Version="2.1.2" />
     <PackageReference Include="IdentityServer4.AccessTokenValidation" Version="2.6.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv" Version="2.1.2" />
   </ItemGroup>
 
 </Project>

src/Api/Program.cs

@@ -10,6 +10,8 @@ namespace Bit.Api
             WebHost
                 .CreateDefaultBuilder(args)
                 .UseStartup<Startup>()
+                // ref: https://github.com/aspnet/KestrelHttpServer/issues/2694
+                .UseLibuv()
                 .Build()
                 .Run();
         }