ruff

ebc70a40 - [ty] Support LSP go-to with vendored typeshed stubs (#19057)

[ty] Support LSP go-to with vendored typeshed stubs (#19057) ## Summary Extracts the vendored typeshed stubs lazily and caches them on the local filesystem to support go-to in the LSP. Resolves https://github.com/astral-sh/ty/issues/77.