TypeAliasType objects have no `__qualname__`

[AA-Turner]

Bug report

Bug description:

This means that introspection is worse for type statements declared e.g. within class bodies.

A

cc @JelleZijlstra

CPython versions tested on:

3.12, 3.13, 3.14, 3.15, CPython main branch

Operating systems tested on:

No response

[efimov-mikhail]

I would like to make a PR for adding __qualname__, but maybe I'll be needed some guidance about it.