feat: add option to set installonly_limit in dnf config

defaults/main.yml

@@ -29,3 +29,5 @@ packages_uninstall:
 packages_uninstall_extra: []
 
 packages_upgrade_enabled: False
+
+packages_dnf_installonly_limit: 2

tasks/main.yml

@@ -1,12 +1,12 @@
 ---
 - block:
-    - name: Uninstall pre packages
+    - name: Uninstall prerequisite packages
       package:
         name: "{{ item }}"
         state: absent
       loop: "{{ packages_uninstall_pre + packages_uninstall_pre_extra }}"
 
-    - name: Adjust packages config file
+    - name: Adjust dnf config file
       template:
         src: etc/dnf/dnf.conf.j2
         dest: /etc/dnf/dnf.conf

templates/etc/dnf/dnf.conf.j2

@@ -2,7 +2,7 @@
 {{ ansible_managed | comment }}
 [main]
 gpgcheck=1
-installonly_limit=3
+installonly_limit={{ packages_dnf_installonly_limit }}
 clean_requirements_on_remove=True
 best=True
 skip_if_unavailable=False