Lataa ty 0.0.43

Bug fixes
- Don't inject Unknown from non-callable elements of intersection call (#25538)
- Don't needlessly disambiguate the same type alias (#25563)
- Fix variance inference for nested type aliases (#25567)
- Ignore rejected member annotations for synthesized bindings (#25427)
- Normalize dynamic class literals in cycle recovery (#25558)
- Register file roots for first-party search paths (#25522)
- Treat union-bound typevars like unions for possibly-missing-attribute (#25561)

LSP server
- Suppress importable completions that are already in scope (#25479)

Performance
- Avoid retaining duplicate function signatures (#25609)
- Compact retained definition inference results (#25593)
- Compact retained definition kinds (#25610)
- Compact retained definitions by node (#25498)
- Consolidate AST ID reverse lookup (#25455)
- Consolidate retained use-def definition maps (#25499)
- Omit redundant definitions-by-node entries (#25501)
- Reuse common protocol constraints for TypedDict unions (#25598)

Diagnostics
- Improve error context for not-iterable diagnostics (#24944)

Core type checking
- Detect disjointness due to incompatible generic specializations (#24822)
- Distinguish typing.Callable from collections.abc.Callable (#24954)
- Include nested global/nonlocal bindings in type inference (#25387)
- Optional lower/upper bounds in individual constraints (#25435)
- Preserve slice-bound types in subscript inference (#25446)
- Reject Self in type aliases (#25529)
- Require literal booleans for TypedDict flags (#25594)
- Support narrowing on lengths (#25347)
- Synthesize precise __len__ methods for literals (#25600)
- Use callable type context to implicitly specialize generic class (#25471)
- expand type aliases inside type context unions (#25553)

Contributors
- @carljm
- @cheparity
- @kouhe3
- @sharkdp
- @charliermarsh
- @dcreager
- @thejchap
- @oconnor663