turbo

35ed8796 - chore: Extract `turborepo-shim` crate from `turborepo-lib` (#11320)

chore: Extract `turborepo-shim` crate from `turborepo-lib` (#11320) ## Summary - Extract the `shim/` module from `turborepo-lib` into a standalone `turborepo-shim` crate - Use trait-based dependency injection to decouple shim logic from turborepo-lib internals - Maintain full backward compatibility via re-exports in `turborepo-lib/src/shim.rs` ## Details This PR continues the modularization effort by extracting the shim module, which handles: - CLI argument parsing (`ShimArgs`) - Local turbo binary detection (`LocalTurboState`) - Turbo version detection from lockfiles (`LocalTurboConfig`) - Platform-specific turbo state helpers