base: More el7 cleanups mainly yum -> dnf

roles/base/tasks/RedHat.yml

@@ -103,7 +103,7 @@
   when:
     - ansible_virtualization_role == "host"
 
-- name: Install el7/el8 packages
+- name: Install packages (el8 and older)
   ansible.builtin.package:
     name: "{{ item }}"
     state: installed
@@ -111,7 +111,7 @@
     - mailx
   when: ansible_distribution_major_version|int <= 8
 
-- name: Install el9 packages
+- name: Install packages (el9 and newer)
   ansible.builtin.package:
     name: "{{ item }}"
     state: installed
@@ -153,10 +153,10 @@
     owner: root
     group: "{{ ansible_wheel }}"
 
-- name: Cron job for downloading yum updates
+- name: Cron job for downloading updates
   ansible.builtin.cron:
-    name: yum-downloadonly
+    name: dnf-downloadonly
     user: root
     hour: "3"
     minute: "{{ 59 | random(seed=inventory_hostname) }}"
-    job: "yum -d 0 -e 0 -y --downloadonly update > /dev/null"
+    job: "dnf -d 0 -e 0 -y --downloadonly update > /dev/null"