2.0.0

Added

• Use --prefer-stable with lowest dependencies (#178)
• Allow use of a custom cache key (#167)
• Allow ability to ignore the cache

Changed

• Switch to a composite action from a JavaScript action

Fixed

• Fix case where working-directory did not run composer install in the correct working directory (#187)
• Fix problems with retrieving cache with parallel builds (#161, #152)
• Fix problems restoring from cache on Windows (#79)