Fix gcp atomic (#2154)

* minor fix

* executor

Co-authored-by: Carrie Roberts <clr2of8@gmail.com>

atomics/T1078.004/T1078.004.yaml

@@ -34,7 +34,7 @@ atomic_tests:
       default: gcp-art-service-account-1.json
 
   executor:
-    name: gcloud
+    name: sh
     elevation_required: false
     command: |
       gcloud auth login --no-launch-browser
@@ -44,7 +44,7 @@ atomic_tests:
     cleanup_command: |
       gcloud iam service-accounts delete #{service-account-email} --quiet
 
-  dependency_executor_name: gcloud
+  dependency_executor_name: sh
   dependencies:
       - description: |
           Requires gcloud