globus upload handling

[bpuchala]

File "/Users/bpuchala/.local/conda/envs/CASM_v2_py313/lib/python3.13/site-packages/globus_sdk/client.py", line 522, in request
raise self.error_class(r)
globus_sdk.services.auth.errors.AuthAPIError: ('POST', 'https://auth.globus.org/v2/oauth2/token', None, 400, 'Error', 'Bad Request')

Need to handle stale refresh tokens in line:

authorizer = globus_sdk.RefreshTokenAuthorizer(transfer_rt, client)