fix descheduler image version typo

roles/openshift_descheduler/defaults/main.yaml

@@ -17,7 +17,7 @@ l_os_descheduler_image_search: "{{ openshift_descheduler_image_dict[openshift_de
 openshift_descheduler_image_version: "{{ openshift_descheduler_image_dict[openshift_deployment_type]['version'] }}"
 
 l_os_non_standard_reg_url: "{{ oreg_url | default(l_osm_registry_url_default) }}"
-l_os_descheduler_image: "{{ l_os_non_standard_reg_url | regex_replace('${version}' | regex_escape, l_os_logging_proxy_image_version) }}"
+l_os_descheduler_image: "{{ l_os_non_standard_reg_url | regex_replace('${version}' | regex_escape, openshift_descheduler_image_version) }}"
 openshift_descheduler_image: "{{ l_os_descheduler_image | regex_replace(l_os_descheduler_image_search | regex_escape, 'descheduler') }}"
 
 # descheduler service account setup