Bumps mypy from 1.5.1 to 1.8.0.

Sourced from mypy's changelog.

Mypy Release Notes

Next release

Mypy 1.8

We’ve just uploaded mypy 1.8 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features, performance improvements and bug fixes. You can install it as follows:

python3 -m pip install -U mypy

You can read the full documentation for this release on Read the Docs.

Type-checking Improvements

• Do not intersect types in isinstance checks if at least one is final (Christoph Tyralla, PR 16330)
• Detect that @final class without __bool__ cannot have falsey instances (Ilya Priven, PR 16566)
• Do not allow TypedDict classes with extra keywords (Nikita Sobolev, PR 16438)
• Do not allow class-level keywords for NamedTuple (Nikita Sobolev, PR 16526)
• Make imprecise constraints handling more robust (Ivan Levkivskyi, PR 16502)
• Fix strict-optional in extending generic TypedDict (Ivan Levkivskyi, PR 16398)
• Allow type ignores of PEP 695 constructs (Shantanu, PR 16608)
• Enable type_check_only support for TypedDict and NamedTuple (Nikita Sobolev, PR 16469)

Performance Improvements

• Add fast path to analyzing special form assignments (Jukka Lehtosalo, PR 16561)

Improvements to Error Reporting

• Don't show documentation links for plugin error codes (Ivan Levkivskyi, PR 16383)
• Improve error messages for super checks and add more tests (Nikita Sobolev, PR 16393)
• Add error code for mutable covariant override (Ivan Levkivskyi, PR 16399)

Stubgen Improvements

• Preserve simple defaults in function signatures (Ali Hamdan, PR 15355)
• Include __all__ in output (Jelle Zijlstra, PR 16356)
• Fix stubgen regressions with pybind11 and mypy 1.7 (Chad Dombrova, PR 16504)

Stubtest Improvements

• Improve handling of unrepresentable defaults (Jelle Zijlstra, PR 16433)
• Print more helpful errors if a function is missing from stub (Alex Waygood, PR 16517)
• Support @type_check_only decorator (Nikita Sobolev, PR 16422)
• Warn about missing __del__ (Shantanu, PR 16456)
• Fix crashes with some uses of final and deprecated (Shantanu, PR 16457)

Fixes to Crashes

• Fix crash with type alias to Callable[[Unpack[Tuple[Any, ...]]], Any] (Alex Waygood, PR 16541)
• Fix crash on TypeGuard in __call__ (Ivan Levkivskyi, PR 16516)
• Fix crash on invalid enum in method (Ivan Levkivskyi, PR 16511)
• Fix crash on unimported Any in TypedDict (Ivan Levkivskyi, PR 16510)

Documentation Updates

• Update soft-error-limit default value to -1 (Sveinung Gundersen, PR 16542)

... (truncated)

• 3b46750 remove +dev suffix from version
• c9bc833 Fix tests broken by hatchling (#16655)
• 60d30e3 Fix crash with type alias to Callable[[Unpack[Tuple[Any, ...]]], Any] (#16541)
• f53f422 Allow type ignores of PEP 695 constructs (#16608)
• 7c33e7c @​final class without bool cannot have falsey instances (#16566)
• c224da5 Do not intersect types in isinstance checks if at least one is final (#16330)
• d54cc35 Change example in test cases with no stubs available (#16513)
• eb1ee97 Update hashes in sync-typeshed.py following recent typeshed sync (#16600)
• 344298e Revert use of ParamSpec for functools.wraps
• 3e5d813 Revert typeshed ctypes change
• Additional commits viewable in compare view

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