fix: 3.x-dev can install a 3.y version (actions#417)

* fix: 3.x-dev can install a 3.y version

* Update README section for `-dev`

fix: 3.x-dev can install a 3.y version (actions#417)

* fix: 3.x-dev can install a 3.y version

* Update README section for `-dev`

Updated @actions/cache (actions#382)

Updated @actions/cache (actions#382)

Cache hit output (actions#373)

* Remove useless await in getCacheDistributor calls

* Added cache-hit output

* Build action with cache-hit output

* Remove PromiseReturnType, add matchedKey == primaryKey check

* Update cache-distributor.ts

* Fix tests and rebuild

Update README.md to fix setup-python version in example (actions#368)

Remove legacy PyPy input (actions#342)

Add fix for Windows caching of pip (actions#332)

Add fix for Windows caching of pip (actions#332)

Update @actions/cache version to 1.0.8 (actions#283)