Add option for concurrent cache downloads with timeout (#1484)

* Add option for concurrent cache downloads with timeout

* Add release notes

* Fix lint

packages/cache/src/options.ts

@@ -39,6 +39,12 @@ export interface DownloadOptions {
    */
   downloadConcurrency?: number
 
+  /**
+   * Indicates whether to use Actions HttpClient with concurrency
+   * for Azure Blob Storage
+   */
+  concurrentBlobDownloads?: boolean
+
   /**
    * Maximum time for each download request, in milliseconds (this
    * option only applies when using the Azure SDK)
@@ -98,7 +104,8 @@ export function getUploadOptions(copy?: UploadOptions): UploadOptions {
  */
 export function getDownloadOptions(copy?: DownloadOptions): DownloadOptions {
   const result: DownloadOptions = {
-    useAzureSdk: true,
+    useAzureSdk: false,
+    concurrentBlobDownloads: true,
     downloadConcurrency: 8,
     timeoutInMs: 30000,
     segmentTimeoutInMs: 600000,
@@ -110,6 +117,10 @@ export function getDownloadOptions(copy?: DownloadOptions): DownloadOptions {
       result.useAzureSdk = copy.useAzureSdk
     }
 
+    if (typeof copy.concurrentBlobDownloads === 'boolean') {
+      result.concurrentBlobDownloads = copy.concurrentBlobDownloads
+    }
+
     if (typeof copy.downloadConcurrency === 'number') {
       result.downloadConcurrency = copy.downloadConcurrency
     }