bucketbase incompatible with minio>=7.2.17

```
File ".../site-packages/bucketbase/minio_bucket.py", line 156, in list_objects
    object_names = sstream(listing_itr).map(Object.object_name.fget).map(PurePosixPath).to_list()
                                            ^^^^^^^^^^^^^^^^^^
AttributeError: type object 'Object' has no attribute 'object_name'. Did you mean: 'owner_name'?
```

latest compatible minio version is 7.2.16. 