chore: Hardcoding the WinSDK version in the cache key can lead to broken caches when the SDK is updated. Consider parameterizing this value or deriving it from an environment variable.

[daantimmer]

          [nitpick] Hardcoding the WinSDK version in the cache key can lead to broken caches when the SDK is updated. Consider parameterizing this value or deriving it from an environment variable.

          key: cache-winsdk-${{ env.WINSKD_VERSION }}

Originally posted by @Copilot in #180 (comment)