refactor(partitioning): extract VG name to defaults variable

roles/partitioning/tasks/ext4.yml

@@ -2,7 +2,7 @@
 - name: Create and format ext4 logical volumes
   when: system_cfg.features.cis.enabled or item.lv not in ['home', 'var', 'var_log', 'var_log_audit']
   community.general.filesystem:
-    dev: /dev/sys/{{ item.lv }}
+    dev: /dev/{{ partitioning_vg_name }}/{{ item.lv }}
     fstype: ext4
     force: true
   loop:
@@ -16,7 +16,7 @@
   when: >
     (os in ['almalinux', 'rocky', 'rhel'] or (os == 'debian' and (os_version | string) == '11'))
     and (system_cfg.features.cis.enabled or item.lv not in ['home', 'var', 'var_log', 'var_log_audit'])
-  ansible.builtin.command: tune2fs -O "^orphan_file,^metadata_csum_seed" "/dev/sys/{{ item.lv }}"
+  ansible.builtin.command: tune2fs -O "^orphan_file,^metadata_csum_seed" "/dev/{{ partitioning_vg_name }}/{{ item.lv }}"
   loop:
     - { lv: root }
     - { lv: home }