* Adds option to download using AzCopy
* Bump version number and add release notes
* Ensure we use at least v10
* Negate env var so it disables AzCopy
* Use Azure storage SDK to download cache
* Use same level of parallelism as AzCopy
* Fix naming of variable
* React to feedback
* Bump Node types to Node 12
* Make linter happy
* Pass options into restoreCache method
* Fix tests
* Restructure files and add tests
* Add method to get the default download and upload options
* Include breaking changes in RELEASES.md
Co-authored-by: Josh Gross <joshmgross@github.com>
David Hadka