Always use CLI credentials

Author: zooba

windows-release/sign-files.yml

@@ -47,6 +47,7 @@ steps:
         "##vso[task.setvariable variable=AZURE_CLIENT_ID;issecret=true]${env:servicePrincipalId}"
         "##vso[task.setvariable variable=AZURE_ID_TOKEN;issecret=true]${env:idToken}"
         "##vso[task.setvariable variable=AZURE_TENANT_ID;issecret=true]${env:tenantId}"
+        "##vso[task.setvariable variable=AZURE_TOKEN_CREDENTIALS]AzureCliCredential"
       addSpnToEnvironment: true
 
   - powershell: >