fix(syntax): remove deprecated warn arg from shell tasks

roles/fail2ban/handlers/main.yml

@@ -8,5 +8,3 @@
 - name: restart home assistant
   shell: |
     ha core restart
-  args:
-    warn: no

roles/harden_os/tasks/patching.yml

@@ -17,12 +17,11 @@
   args:
     creates: /etc/apt/apt.conf.d/20auto-upgrades
     executable: /bin/bash
-    warn: no
 
 - name: Configure unattended upgrades
   template:
     src: 50unattended-upgrades.j2
     dest: /etc/apt/apt.conf.d/50unattended-upgrades
     owner: root
     group: root
-    mode: '0644'
+    mode: '0644'

roles/install_hacs/handlers/main.yml

@@ -1,5 +1,3 @@
 - name: restart home assistant
   shell: |
     ha core restart
-  args:
-    warn: false

roles/preinstall_config/tasks/main.yml

@@ -28,8 +28,6 @@
         fi
       register: switch_to_cgroup_v1
       changed_when: switch_to_cgroup_v1.stdout is search('Switching to cgroup v1')
-      args:
-        warn: false
 
   when: firmware_cmdline.stat.exists | bool
 

roles/supervised_install/tasks/main.yml

@@ -50,8 +50,6 @@
         ping -c 3 -6 version.home-assistant.io
       check_mode: false
       changed_when: false
-      args:
-        warn: false
   rescue:
     - name: Disable IPv6 to prevent Home Assistant install hang
       ansible.builtin.lineinfile:
@@ -92,9 +90,7 @@
   register: os_agent_latest_url
   failed_when: os_agent_latest_url.stdout is not search('os-agent_.*_linux_.*.deb')
   changed_when: false
-  check_mode: no
-  args:
-    warn: false
+  check_mode: false
 
 - name: Install os-agent
   apt: