refactor: use list, not loop for dnf/apt

tasks/etckeeper.yml

@@ -1,18 +1,18 @@
 ---
 - name: "install etckeeper (fedora)"
-  dnf: name={{ item }} state=present
+  dnf:
-  with_items:
+    name:
-    - git
+      - git
-    - findutils
+      - findutils
-    - hostname
+      - hostname
-    - mailx
+      - mailx
-    - etckeeper
+      - etckeeper
   when: ansible_distribution == 'Fedora'
 - name: "install etckeeper (debian)"
-  apt: name={{ item }} state=present
+  apt:
-  with_items:
+    name:
-    - git
+      - git
-    - etckeeper
+      - etckeeper
   when: ansible_distribution == 'Debian' or ansible_distribution == 'Ubuntu'