Upgrade Azure CLI

Author: puneetsarna

.github/workflows/github-action-test-nginxaas-deploy.yml

@@ -35,6 +35,9 @@ jobs:
           sed -i 's/000000/'"$GITHUB_RUN_NUMBER"'/g' github-action/test/configs/single/nginx.conf
           cat github-action/test/configs/single/nginx.conf
           az version
+          az config set auto-upgrade.prompt=no
+          az upgrade
+          az version
       - name: "Sync NGINX configuration to NGINXaaS for Azure - single file"
         uses: ./github-action/
         with: