Add retry on S3 SlowDown exceptions

[BenGalewsky]

Problem

When the Ceph object store is overwhelmed it throws SlowDown exceptions:

Traceback (most recent call last):
  File "/servicex/transformer_sidecar/object_store_manager.py", line 62, in upload_file
    result = self.minio_client.fput_object(bucket_name=bucket,
  File "/usr/local/lib/python3.10/site-packages/minio/api.py", line 1051, in fput_object
    return self.put_object(
  File "/usr/local/lib/python3.10/site-packages/minio/api.py", line 1996, in put_object
    raise exc
  File "/usr/local/lib/python3.10/site-packages/minio/api.py", line 1947, in put_object
    upload_id = self._create_multipart_upload(
  File "/usr/local/lib/python3.10/site-packages/minio/api.py", line 1762, in _create_multipart_upload
    response = self._execute(
  File "/usr/local/lib/python3.10/site-packages/minio/api.py", line 441, in _execute
    return self._url_open(
  File "/usr/local/lib/python3.10/site-packages/minio/api.py", line 424, in _url_open
    raise response_error
minio.error.S3Error: S3 operation failed; code: SlowDown, message: None, resource: None, request_id: tx0000032ac6ddfe2121a06-0067943977-aeca260-af-object-store, host_id: aeca260-af-object-store-af-object-store

We should retry when this happens. It can often impact several transformers and so it's essential that we use the exponential retry along with jitter.