Replace yum with dnf where possible

roles/1password/tasks/RedHat.yaml

@@ -1,10 +1,10 @@
 ---
-- name: add yum repository key
+- name: add dnf repository key
   become: true
   rpm_key:
     key: https://downloads.1password.com/linux/keys/1password.asc
 
-- name: add yum repository
+- name: add dnf repository
   become: true
   yum_repository:
     name: 1password
@@ -15,8 +15,8 @@
     repo_gpgcheck: true
     gpgkey: ['https://downloads.1password.com/linux/keys/1password.asc']
 
-- name: install yum package
+- name: install dnf package
   become: true
-  yum:
+  dnf:
     name: 1password
     state: latest