attrs plugin ignores field alias

[kshpytsya]

$ mypy --version
mypy 1.7.1 (compiled: yes)
$ venv/bin/pip list|grep attrs
attrs      23.1.0
$ cat a.py

import attrs


@attrs.define
class A:
    _x: int = attrs.field(alias="_x")


a = A(_x=1)
a = A(x=1)

 $ venv/bin/python  a.py
Traceback (most recent call last):
  File "/home/uken/src/mypy-attrs-alias.bug/a.py", line 10, in <module>
    a = A(x=1)
        ^^^^^^
TypeError: A.__init__() got an unexpected keyword argument 'x'

$ mypy --python-executable=venv/bin/python  a.py
a.py:9: error: Unexpected keyword argument "_x" for "A"  [call-arg]
Found 1 error in 1 file (checked 1 source file)

See: https://www.attrs.org/en/stable/init.html#private-attributes-and-aliases