Do not use ‘yes/no’ for boolean values (#11472)

Consistent boolean values in ansible playbooks

contrib/kvm-setup/roles/kvm-setup/tasks/main.yml

@@ -11,12 +11,12 @@
 
 - name: Install required packages
   apt:
-    upgrade: yes
-    update_cache: yes
+    upgrade: true
+    update_cache: true
     cache_valid_time: 3600
     name: "{{ item }}"
     state: present
-    install_recommends: no
+    install_recommends: false
   with_items:
     - dnsutils
     - ntp

contrib/kvm-setup/roles/kvm-setup/tasks/sysctl.yml

@@ -30,7 +30,7 @@
     value: 1
     sysctl_file: "{{ sysctl_file_path }}"
     state: present
-    reload: yes
+    reload: true
 
 - name: Set bridge-nf-call-{arptables,iptables} to 0
   ansible.posix.sysctl:
@@ -38,7 +38,7 @@
     state: present
     value: 0
     sysctl_file: "{{ sysctl_file_path }}"
-    reload: yes
+    reload: true
   with_items:
     - net.bridge.bridge-nf-call-arptables
     - net.bridge.bridge-nf-call-ip6tables