Add support for TypeAliasType

[igorgaming]

Its a new way to defined type aliases added in Python 3.12

Previous way is deprecated:

from typing import TypeAlias, Literal
MyType: TypeAlias = Literal["primary", "secondary"]

New way is:

type MyType = Literal["primary", "secondary"]

where is MyType is instance of https://docs.python.org/3/library/typing.html#typing.TypeAliasType

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.57%. Comparing base (06d3b47) to head (df1cd7e).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1214   +/-   ##
=======================================
  Coverage   98.57%   98.57%           
=======================================
  Files          74       74           
  Lines        8843     8853   +10     
=======================================
+ Hits         8717     8727   +10     
  Misses        126      126           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[tfranzel]

good stuff @igorgaming, however I would like to see this tested. probably here in TYPE_HINT_TEST_PARAMS

drf-spectacular/tests/test_plumbing.py

Line 323 in 06d3b47

[igorgaming]

@tfranzel Done

[tfranzel]

thx @igorgaming, also had to run it through exec because this is apparently the first breaking change in python wrt. parsing.