ansible: update YAML output setting
This fixes this warning:
[DEPRECATION WARNING]: community.general.yaml has been deprecated. The plugin has been superseded by the the option result_format=yaml
in
callback plugin ansible.builtin.default from ansible-core 2.13 onwards. This feature will be removed from community.general in version
13.0.0. Deprecation warnings can be disabled by setting deprecation_warnings=False in ansible.cfg.
Signed-off-by: Arturo Borrero Gonzalez aborrero@wikimedia.org