chore(deps): align version of MariaDB with Nextcloud 29

docker-compose/nextcloud/docker-compose.yaml

@@ -17,9 +17,9 @@ services:
       - MYSQL_HOST=nextcloud-db
     restart: unless-stopped
   nextcloud-db:
-    # See compatibility matrix for Nextcloud 28
-    # https://docs.nextcloud.com/server/28/admin_manual/installation/system_requirements.html
-    image: docker.io/library/mariadb:11.3.2
+    # See compatibility matrix for Nextcloud 29
+    # https://docs.nextcloud.com/server/29/admin_manual/installation/system_requirements.html
+    image: docker.io/library/mariadb:10.6.17
     container_name: nextcloud-db
     command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW
     volumes: