Log Message:
py-JWT: updated to 2.2.0

v2.2.0

Changed
- Remove arbitrary kwargs.
- Use timezone package as Python 3.5+ is required.

Fixed
- Assume JWK without the "use" claim is valid for signing as per RFC7517
- Prefer `headers["alg"]` to `algorithm` in `jwt.encode()`.
- Fix aud validation to support {'aud': null} case.
- Make `typ` optional in JWT to be compliant with RFC7519.
- Remove upper bound on cryptography version.

Added
- Add support for Ed448/EdDSA.