[ty] Support frozen dataclasses (#17974)
## Summary
https://github.com/astral-sh/ty/issues/111
This PR adds support for `frozen` dataclasses. It will emit a diagnostic
with a similar message to mypy
Note: This does not include emitting a diagnostic if `__setattr__` or
`__delattr__` are defined on the object as per the
[spec](https://docs.python.org/3/library/dataclasses.html#module-contents)
## Test Plan
mdtest
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Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Co-authored-by: Carl Meyer <carl@astral.sh>
