Update dependency ty to v0.0.55

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ty (changelog)	==0.0.54 → ==0.0.55

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Release Notes

astral-sh/ty (ty)

v0.0.55

Compare Source

Released on 2026-06-26.

LSP server

• Render full diagnostics in color (#​26384)

Documentation

• Document colored diagnostic output (#​3858)

Performance

• Improve vendored filesystem concurrency (#​26408)
• Optimize enum comparisons in equality evaluation (#​26340)
• Remove redundant semantic index shrinks (#​26392)
• Use never-change durability for one-shot checks (#​26359)

Core type checking

• Correct enum alias detection and scalar constructors (#​26345)
• Fix structural pattern binding inference (#​26411)
• Improve variable-length tuple slicing (#​26151)
• Infer class and mapping pattern bindings (#​25941)
• Infer empty collection constructors from later uses (#​26389)
• Skip shadowed submodule bindings during import analysis (#​26385)
• Sync vendored typeshed stubs (#​26406). Typeshed diff
• Track literal iterable emptiness for reachability (#​25222)
• Validate positional class patterns against __match_args__ (#​26195)

Contributors

• @​charliermarsh
• @​carljm
• @​AlexWaygood
• @​MichaReiser
• @​mtshiba
• @​felixscherz

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