Ryan Walters 4f49355892 fix: prevent vcpkg cache poisoning with version-based keys ...

Cache restore-keys allowed old vcpkg builds to be restored when baseline
changed, causing persistent failures. Extract vcpkg version from Cargo.toml
using cargo metadata and use it as primary cache key component.

- Extract vcpkg baseline via cargo metadata (structured parsing)
- Unified vcpkg cache with version-isolated keys
- Removed manual macOS vcpkg setup and A/B test steps
- Cache cargo-vcpkg binary for faster builds

2025-11-02 12:48:00 -06:00

5.5 KiB

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