use lowercase for booleans

roles/reset/tasks/main.yml

@@ -4,15 +4,15 @@
     name: "{{ item }}"
     state: stopped
     enabled: no
-  failed_when: False
+  failed_when: false
   with_items:
     - k3s
     - k3s-node
 
 - name: Killall containerd-shim-runc-v2
   command: killall -9 containerd-shim-runc-v2
-  failed_when: False
-  changed_when: False
+  failed_when: false
+  changed_when: false
 
 - name: Umount k3s filesystems
   include_tasks: umount_with_childeren.yml

roles/reset/tasks/umount_with_childeren.yml

@@ -4,7 +4,7 @@
   register: get_mounted_filesystems
   args:
     executable: /bin/bash
-  failed_when: False
+  failed_when: false
   changed_when: get_mounted_filesystems.stdout | length > 0
 
 - name: Umount filesystem