scripts: fix cleanup-db deleting redis cache

scripts/cleanup-db.sh

@@ -55,6 +55,10 @@ echo "Initialize new database (no migration)..."
 docker exec osrd-postgres sh -c 'cat /docker-entrypoint-initdb.d/init.sql | tail -n 1 > /tmp/init.sql'
 docker exec osrd-postgres psql -f //tmp/init.sql > /dev/null
 
+# Clear Redis Cache
+echo "Deleting redis cache..."
+docker exec osrd-redis redis-cli DEL * &> /dev/null || docker volume rm -f osrd_redis_data > /dev/null
+
 echo "Cleanup done!\n"
 echo "You may want to apply migrations if you don't load a backup:"
 echo "'diesel migration run --migration-dir $(dirname $0)/../editoast/migrations'  # 'docker compose up editoast' does it automatically"