remove constraint on typing-extensions version

[dependabot]

Updates the requirements on typing-extensions to permit the latest version.
Updates typing-extensions to 4.12.2

Release notes

Sourced from typing-extensions's releases.

4.12.2

• Fix regression in v4.12.0 where specialization of certain generics with an overridden __eq__ method would raise errors. Patch by Jelle Zijlstra.
• Fix tests so they pass on 3.13.0b2

Changelog

Sourced from typing-extensions's changelog.

Release 4.12.2 (June 7, 2024)

• Fix regression in v4.12.0 where specialization of certain generics with an overridden __eq__ method would raise errors. Patch by Jelle Zijlstra.
• Fix tests so they pass on 3.13.0b2

Release 4.12.1 (June 1, 2024)

• Preliminary changes for compatibility with the draft implementation of PEP 649 in Python 3.14. Patch by Jelle Zijlstra.
• Fix regression in v4.12.0 where nested Annotated types would cause TypeError to be raised if the nested Annotated type had unhashable metadata. Patch by Alex Waygood.

Release 4.12.0 (May 23, 2024)

This release is mostly the same as 4.12.0rc1 but fixes one more longstanding bug.

• Fix incorrect behaviour of typing_extensions.ParamSpec on Python 3.8 and 3.9 that meant that isinstance(typing_extensions.ParamSpec("P"), typing.TypeVar) would have a different result in some situations depending on whether or not a profiling function had been set using sys.setprofile. Patch by Alex Waygood.

Release 4.12.0rc1 (May 16, 2024)

This release focuses on compatibility with the upcoming release of Python 3.13. Most changes are related to the implementation of type parameter defaults (PEP 696).

Thanks to all of the people who contributed patches, especially Alex Waygood, who did most of the work adapting typing-extensions to the CPython PEP 696 implementation.

Full changelog:

• Improve the implementation of type parameter defaults (PEP 696)
  • Backport the typing.NoDefault sentinel object from Python 3.13. TypeVars, ParamSpecs and TypeVarTuples without default values now have their __default__ attribute set to this sentinel value.
  • TypeVars, ParamSpecs and TypeVarTuples now have a has_default() method, matching typing.TypeVar, typing.ParamSpec and typing.TypeVarTuple on Python 3.13+.
  • TypeVars, ParamSpecs and TypeVarTuples with default=None passed to their constructors now have their __default__ attribute set to None at runtime rather than types.NoneType.
  • Fix most tests for TypeVar, ParamSpec and TypeVarTuple on Python 3.13.0b1 and newer.

... (truncated)

Commits

• e1250ff Prepare release 4.12.2 (#426)
• 53bcdde Avoid error if origin has a buggy eq (#422)
• 7269638 Prepare release 4.12.1 (#418)
• 8dfcf3c Fix TypeError on nested Annotated types where the inner type has unhashab...
• d76f591 Switch from flake8 to ruff (#414)
• 920d60d Support my PEP 649 branch (#412)
• e792bce Ignore fewer flake8 rules when linting tests (#413)
• f90a8dc Prepare release 4.12.0 (#408)
• 118e1a6 Make sure isinstance(typing_extensions.ParamSpec("P"), typing.TypeVar) is u...
• 910141a Add security documentation (#403)
• Additional commits viewable in compare view

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (374de20) to head (04cd3a8).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #20   +/-   ##
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  Coverage   100.00%   100.00%           
=========================================
  Files           15        15           
  Lines          680       680           
  Branches        56        56           
=========================================
  Hits           680       680           

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