[pipeline] add variable CACHE_VERSION_ID

This change is required:
- to invalidate yarn cache by changing the value of CACHE_VERSION_ID variable
- to remove cross OS caching that cause problems with danger.

Author: raicastino

azure-templates/make-build-steps.yml

@@ -8,20 +8,23 @@ parameters:
     values:
       - install_dependencies
       - build
-  
+
+  - name: 'cache_version_id'
+    type: string
+    default: $(CACHE_VERSION_ID)
+    
 steps:
   - checkout: self
     persistCredentials: true
     displayName: 'Checkout'
 
   - task: Cache@2
     inputs:
-      key: 'yarn | "$(Agent.OS)" | yarn.lock'
+      key: 'yarn-${{ parameters.cache_version_id }} | "$(Agent.OS)" | yarn.lock'
       restoreKeys: |
-        yarn | "$(Agent.OS)"
-        yarn
+        yarn-${{ parameters.cache_version_id }} | "$(Agent.OS)"
       path: $(YARN_CACHE_FOLDER)
-    displayName: Cache yarn packages
+    displayName: 'Cache yarn packages'
 
   - task: UseNode@1
     inputs: