Syntax fix guide_gce.rst (#64779)

Fix syntax for create a GCP instance example playbook. Fix task indentation.

docs/docsite/rst/scenario_guides/guide_gce.rst

@@ -234,11 +234,11 @@ rest.
               - https://www.googleapis.com/auth/compute
         register: instance
 
-       - name: Wait for SSH to come up
-         wait_for: host={{ address.address }} port=22 delay=10 timeout=60
+      - name: Wait for SSH to come up
+        wait_for: host={{ address.address }} port=22 delay=10 timeout=60
 
-       - name: Add host to groupname
-         add_host: hostname={{ address.address }} groupname=new_instances
+      - name: Add host to groupname
+        add_host: hostname={{ address.address }} groupname=new_instances
 
 
    - name: Manage new instances