chore(deps): update phpmyadmin/phpmyadmin docker tag to v5.1.1

Author: renovate-bot

docker-compose.yml

@@ -70,7 +70,7 @@ services:
         - "traefik.http.routers.wordpress-tls.tls.domains[0].sans=wordpress-*.traefik.me"
         - "traefik.http.services.wordpress.loadbalancer.server.port=80"
   phpmyadmin:
-    image: phpmyadmin/phpmyadmin:5.1.0
+    image: phpmyadmin/phpmyadmin:5.1.1
     environment:
       PMA_HOST: mariadb
       MYSQL_ROOT_PASSWORD: example