chore(deps): update mariadb docker tag to v12.3 (#2505)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

jpa/boot-data-customsequence/docker/docker-compose.yml

@@ -2,7 +2,7 @@ version: '3.8'
 services:
 
   mariadb:
-    image: mariadb:12.2
+    image: mariadb:12.3
     environment:
       - MYSQL_DATABASE=appdb
       - MYSQL_USER=appuser