remove auth-type identity

Author: wesjdj

.github/workflows/pull-request-test-azure.yml

@@ -52,7 +52,6 @@ jobs:
       - name: Azure login
         uses: azure/login@v2
         with:
-          auth-type: IDENTITY
           client-id: ${{ secrets.CI_RENKU_AZURE_CLIENT_ID }}
           tenant-id: ${{ secrets.CI_RENKU_AZURE_TENANT_ID }}
           subscription-id: ${{ secrets.CI_RENKU_AZURE_SUBSCRIPTION_ID }}