test: add support debian 12

defaults/main.yml

@@ -1,5 +1,5 @@
 ---
-postgresql_version: 13
+postgresql_version: 15
 postgresql_use_official_repository: false
 postgresql_primary: false
 postgresql_databases: []
@@ -25,7 +25,6 @@ postgresql_config_default:
   log_line_prefix: '%m [%p] %q%u@%d'
   log_timezone: Etc/UTC
   cluster_name: '{{ postgresql_version }}/main'
-  stats_temp_directory: '/var/run/postgresql/{{ postgresql_version }}-main.pg_stat_tmp'
   datestyle: iso, mdy
   timezone: Etc/UTC
   lc_messages: C.UTF-8