fix(openbao): use simple depends_on syntax for Portainer compatibility

- Change depends_on from condition-based to simple list syntax
- Fixes: 'Services.openbao-init.depends_on must be a list' error
- Compatible with Portainer's compose parser

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docker-compose.openbao.yml

@@ -63,8 +63,7 @@ services:
     volumes:
       - openbao_init:/openbao/init
     depends_on:
-      openbao:
+      - openbao
-        condition: service_healthy
     restart: "no"
     networks:
       - mosaic_internal