Use a better name for the task

For readability in the log, it's better to actually show what
healthcheck is being tested.

Change-Id: Ieb3909eaeff8e642dcb930e5198a52d41b2efef9

roles/healthcheck-service-status/tasks/main.yml

@@ -15,7 +15,7 @@
          {{ healthcheck_services_list.stdout_lines }}
        {%- endif -%}
 
-- name: Get systemd healthcheck service status
+- name: "[Healthcheck] Get {{ item }} status"
   systemd:
     name: "{{ item }}"
   retries: "{{ retries_number|int }}"