Pydantic2graphene

- Added support to Python 3.10
- Fixed config that was block installing the package on python 3.9

What's Changed
* Add support to Python 3.10 by lfvilella in https://github.com/lfvilella/pydantic2graphene/pull/47


**Full Changelog**: https://github.com/lfvilella/pydantic2graphene/compare/v0.5...v0.5.1

graphene>=1.1,<=3.0.0
pydantic>=1.0,<=1.9.0

graphene>=1.1,<=2.1.9
pydantic>=1.0,<=1.8.2
`

- Adding support to python 3.9
- Adding support for nested InputObjectType
- Adding support to type subclasses

- Adding support to pydantic>=1.0,<=1.6.1
- Fix version to upload to pypi

- Adding support to pydantic>=1.0,<=1.6.1