Mercadopago

What's Changed
* Remove lint check client by eltinMeli in https://github.com/mercadopago/sdk-python/pull/61
* Add plan and subscription resources by gustav0 in https://github.com/mercadopago/sdk-python/pull/60
* Actions CI and CD by eltinMeli in https://github.com/mercadopago/sdk-python/pull/63

New Contributors
* gustav0 made their first contribution in https://github.com/mercadopago/sdk-python/pull/60

**Full Changelog**: https://github.com/mercadopago/sdk-python/compare/2.1.0...2.2.0

What's Changed
* Add chargeback resource by matheusfvinhas in https://github.com/mercadopago/sdk-python/pull/56

New Contributors
* matheusfvinhas made their first contribution in https://github.com/mercadopago/sdk-python/pull/56

**Full Changelog**: https://github.com/mercadopago/sdk-python/compare/2.0.10...2.1.0

- Fix SDK customer and card tests
- Update library pdoc
- Improve linter setup
- Add run workflow for Python 3.7, 3.8, 3.9 and 3.10

Refactor of http client.

* Fix SDK installation error:
- Add `requests` as a required dependency
* Fix python_requires to only support python 3+
* Fix card tests

A brand new version of the SDK that has the following features:

* Support to Python 3+
* Per request configuration
* Support to more APIs (customer, merchant_order, refund, advanced_payment, etc.)
* Pylint
* Unit tests