test: update ansible setup for robot installation (#1122)

A new major version of the community general collection broke the CI
pipeline.

Author: jooola

dev/robot/ansible.cfg

@@ -4,7 +4,7 @@ roles_path = ansible_roles
 
 inventory = ${PWD}/inventory.yml
 host_key_checking = false
-stdout_callback = community.general.yaml
+result_format = yaml
 interpreter_python = /usr/bin/python3
 fact_caching = memory
 retry_files_enabled = false