Update stripe to 1.70.0

[pyup-bot]

There's a new version of stripe available.
You are currently using 1.63.0. I have updated it to 1.70.0

These links might come in handy: PyPI | Changelog | Repo

Changelog

1.70.0

• 356 Support uploading files with StringIO in addition to a file on disk

1.69.0

• 351 Break resource.py module into separate ones for each type of resource
  • Classes are still into resource.py for backwards compatibility
• 353 Fix unpickling StripeObject in Python 3

1.68.0

• 350 Add static methods to manipulate resources from parent
  • Account gains methods for external accounts and login links (e.g. .create_account, create_login_link)
  • ApplicationFee gains methods for refunds
  • Customer gains methods for sources
  • Transfer gains methods for reversals

1.67.0

• 349 Rename source delete to detach (and deprecate the former)

1.66.0

• Support length reads on list objects

1.65.1

• Handle bytearray and bytes (in addition to string) in Webhook.construct_event

1.65.0

• Add support for passing a stripe_version argument to all API requests

1.64.0

• Error when an invalid type (i.e. non-string) passed as an API method argument

1.63.1

• Fix serialization of items on Relay order creation and order return

Got merge conflicts? Close this PR and delete the branch. I'll create a new PR for you.

Happy merging! 🤖

[pyup-bot]

Closing this in favor of #8