refactor ♻️: Refactor task names and module references for clarity and consistency

This commit refactors task names across multiple files to improve clarity and maintain consistency, ensuring that each task name accurately reflects its purpose and using the latest `ansible.builtin` modules where applicable.

handlers/main.yml

@@ -2,14 +2,14 @@
 # ansible_role_proxmox_provision/handlers/main.yml
 # Handlers for role
 # ==================
-- name: apt update
-  apt:
+- name: Run apt update
+  ansible.builtin.apt:
     update_cache: yes
 
-- name: restart pveproxy
-  systemd:
+- name: Restart pveproxy
+  ansible.builtin.systemd:
     name: pveproxy
     state: restarted
 
-- name: reload systemd
-  command: systemctl daemon-reexec
+- name: Reload systemd
+  ansible.builtin.command: systemctl daemon-reexec