set setup_remote_docker version to default (#816)

Author: sgmagar

{{cookiecutter.project_slug}}/.circleci/generate_azure_config.sh

@@ -18,7 +18,7 @@ jobs:
     steps:
       - checkout
       - setup_remote_docker:
-          version: 20.10.7
+          version: default
           docker_layer_caching: true
       - run:
           name: Install Azure CLI