Update mariadb Docker tag to v11.7 (#29)

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

Author: renovate[bot]

docker-compose.yml

@@ -18,7 +18,7 @@ services:
       - ./logs/:/var/log/apache2
 
   db:
-    image: mariadb:11.6
+    image: mariadb:11.7
     restart: always
     environment:
       MARIADB_ROOT_PASSWORD: somewordpress