test: fix syntax for ansible lint

defaults/main.yml

@@ -1,13 +1,13 @@
 ---
-mariadb_use_official_repository: yes
+mariadb_use_official_repository: true
 mariadb_branch: 10.6
 mariadb_repository: |
   deb http://mariadb.mirrors.ovh.net/MariaDB/repo/{{ mariadb_branch }}/debian {{ ansible_distribution_release }} main
 mariadb_repository_key_id: '0xF1656F24C74CD1D8'
 mariadb_repository_key_server: hkp://keyserver.ubuntu.com:80
 mariadb_user: root
-mariadb_master: no
-mariadb_autorestart: no
+mariadb_master: false
+mariadb_autorestart: false
 mariadb_users: []
 mariadb_databases: []
 mariadb_config: {}

tasks/initdb.yml

@@ -37,7 +37,7 @@
 - name: Remove anonymous users
   community.mysql.mysql_user:
     name: ''
-    host_all: yes
+    host_all: true
     state: absent
     login_user: '{{ mariadb_user }}'
     login_password: '{{ mariadb_password }}'