Fix build on vibe.d 0.10.0

[Tynukua]

No description provided.

[Tynukua]

@boolangery i updated sub module in dub.json

but it depends on whole vibe-d
it's ok for my project cuz i use it for d-rpc but not sure that vibe-d dependecy must be here

[kubo39]

I think using vibe-serialization is enough.