Change booleans after lint nag

roles/libvirt/tasks/main.yml

@@ -19,7 +19,7 @@
 - name: Add user to libvirt group
   user:
     name: "{{ ansible_facts['env']['USER'] }}"
-    append: yes
+    append: true
     groups: libvirt
 
 - name: Put 'libvirt libvirt_guest' in /etc/nsswitch.conf

roles/powershell/tasks/main.yml

@@ -3,8 +3,8 @@
   git:
     repo: https://aur.archlinux.org/powershell-bin.git
     dest: ~/builds/powershell-bin
-    clone: yes
-    update: no
+    clone: true
+    update: false
   when: ansible_facts['distribution'] == 'Archlinux'
 
 - name: Make and install powershell-bin