Adapt hiera to new versions of modules

file-system/etc/puppet/hiera/common.yaml

@@ -7,8 +7,8 @@ apt::manage_preferences: false
 apt::custom_preferences: false
 
 tails::apt::cron_mode: ''
-tails::apt::proxy: ''
-tails::apt::proxy_port: ''
+tails::apt::proxy: false
+tails::apt::proxy_port:
 
 tails::base::is_puppet_master: false
 tails::base::manage_grub: false
@@ -18,6 +18,6 @@ tails::base::shorewall: false
 tails::base::sshd_tcp_forwarding: 'no'
 tails::base::has_nvme: false
 
-tails::weblate::admins: 'root'
+tails::weblate::admins: ['root']
 tails::weblate::db_password: 'db_password'
 tails::weblate::code_git_remote: '__WEBLATE_URL__'