tests: Deploy Redpanda Self-Managed quickstart fix (#1147)

Author: WillemKauf

tests/docker-compose/docker-compose.yml

@@ -379,7 +379,7 @@ services:
     depends_on:
       minio:
         condition: service_healthy
-    image: minio/mc
+    image: minio/mc:RELEASE.2025-05-21T01-59-54Z
     container_name: mc
     networks:
       - redpanda_network
@@ -389,7 +389,7 @@ services:
       - AWS_REGION=local
     entrypoint: >
       /bin/sh -c "
-      until (/usr/bin/mc config host add minio http://minio:9000 minio redpandaTieredStorage7) do echo '...waiting...' && sleep 1; done;
+      until (/usr/bin/mc alias set minio http://minio:9000 minio redpandaTieredStorage7) do echo '...waiting...' && sleep 1; done;
       /usr/bin/mc mb minio/redpanda;
       /usr/bin/mc policy set public minio/redpanda;
       tail -f /dev/null