Fixed yaml indentation

Author: Br1an-Boyle

.circleci/config.yml

@@ -4,7 +4,7 @@ version: 2.1
 macos_config: &macos_config
   macos:
     xcode: 12.5.0
-resource_class: macos.x86.medium.gen2
+  resource_class: macos.x86.medium.gen2
   shell: /bin/bash --login -eo pipefail
 
 setup_env_file: &setup_env_file