update avocado version in preproduction pipeline (#6796)

Author: ruowan

preproduction-azure-pipelines.yml

@@ -44,6 +44,6 @@ jobs:
     displayName: 'npm install'
     inputs:
       verbose: false
-  - script: 'npm install -D @azure/[email protected].0'
+  - script: 'npm install -D @azure/[email protected].1'
   - script: './node_modules/.bin/avocado'
     displayName: 'Avocado'