Update mariadb Docker tag to v11.5

.devcontainer/docker-compose.yml

@@ -19,7 +19,7 @@ services:
     # (Adding the "ports" property to this file will not forward from a Codespace.)
 
   db:
-    image: mariadb:11.3@sha256:e101f9db31916a5d4d7d594dd0dd092fb23ab4f499f1d7a7425d1afd4162c4bc
+    image: mariadb:11.5@sha256:4b812bbd9a025569fbe5a7a70e4a3cd3af53aa36621fecb1c2e108af2113450a
     restart: unless-stopped
     volumes:
       - mariadb-data:/var/lib/mysql