Use Azure storage SDK to download cache (#497)

* 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>

RELEASES.md

@@ -8,4 +8,9 @@
 - Fixes issues with the zstd compression algorithm on Windows and Ubuntu 16.04 [#469](https://github.com/actions/toolkit/pull/469)
 
 ### 0.2.1
-- Fix to await async function getCompressionMethod
+- Fix to await async function getCompressionMethod
+
+### 1.0.0
+- Downloads Azure-hosted caches using the Azure SDK for speed and reliability
+- Includes changes that break compatibility with earlier versions, including:
+  - `retry`, `retryTypedResponse`, and `retryHttpClientResponse` moved from `cacheHttpClient` to `requestUtils`