fix(deps): update dependency ty to v0.0.74

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ty (changelog)	==0.0.73 → ==0.0.74

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Release Notes

astral-sh/ty (ty)

v0.0.74

Compare Source

Released on 2026-08-22.

Bug fixes

• Avoid duplicate bindings in multi-target assignments (#​27938)
• Avoid panic on unpacked kwargs in string annotations (#​27963)
• Fix stack overflow in recursive TypedDict dictionary compatibility (#​27951)
• Handle assignment expressions in string annotations (#​27921)
• Handle dynamic classes in string annotations (#​27883)
• Preserve string annotation context in lambda defaults and TypedDict types (#​27914)
• Skip invalid subscript arguments in string annotations (#​27917)
• Skip invalid subscript operands in string annotations (#​27882)

LSP server

• Add untrustedWorkspace option to the LSP (#​27828)
• Add executable discovery to the server command (#​27806)
• Handle file-valued workspace folders from Zed (#​27836)
• Skip scripts with an invalid PEP 723 configuration (#​27505)
• Support pull diagnostics for notebook cells (#​27778)

Documentation

• Update mypy/pyright comparison table (#​4165)

Diagnostics

• Add an opt-in unsound-assignment rule for variables (#​27874)
• Fix variadic signature display (#​27869)
• Highlight declarations in invalid-assignment diagnostics (#​27872)
• Improve LiteralString suggestions in string annotations (#​27931)
• Use invalid-type-form for non-generic class annotations (#​27889)

Core type checking

• Add bounded constraint solution projections (#​27949)
• Fix invariant gradual tuple materialization ranges (#​27946)
• Guard recursive constructor bindings by receiver (#​27958)
• Preserve all alternatives in bounded intersections (#​27898)
• Preserve keyword safety for unpacked callables (#​27517)
• Preserve source protocol members and classify finite aliases (#​27772)
• Preserve type-variable order when reloading constraints (#​27904)
• Propagate narrowing through statically known branches (#​27752)
• Recognize ABC metaclass methods on protocols (#​27897)
• Support __slots__ (#​27730)

Performance

• Lazily infer function parameter default types (#​27857)
• Optimize inherited recursive protocol comparisons (#​27922)
• Traverse shared constraint source-order nodes once (#​27947)

Contributors

• @​carljm
• @​lerebear
• @​charliermarsh
• @​dhruvmanila
• @​AlexWaygood
• @​MichaReiser
• @​jelle-openai

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.32%. Comparing base (bf17202) to head (ff4cde6).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1927   +/-   ##
=======================================
  Coverage   87.32%   87.32%           
=======================================
  Files         352      352           
  Lines       13713    13713           
  Branches      675      675           
=======================================
  Hits        11975    11975           
  Misses       1494     1494           
  Partials      244      244           

Flag	Coverage Δ
unittests	87.32% <ø> (ø)

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