Bumping up @actions/cache version to 1.0.8 (#682)

* bumping up @actions/cache version to 1.0.8
* Remove ubuntu-16.04

.licenses/npm/@azure/core-auth.dep.yml

@@ -1,10 +1,10 @@
 ---
 name: "@azure/core-auth"
-version: 1.3.0
+version: 1.3.2
 type: npm
 summary: Provides low-level interfaces and helper methods for authentication in Azure
   SDK
-homepage: https://github.com/Azure/azure-sdk-for-js/blob/master/sdk/core/core-auth/README.md
+homepage: https://github.com/Azure/azure-sdk-for-js/blob/main/sdk/core/core-auth/README.md
 license: mit
 licenses:
 - sources: LICENSE