- Switch back to PyPi tarball.
- Inject setuptools_scm so we install the correct version number.
- Switch to autosetup macro.
- No more greedy globs in %files.

- Update to 5.3.1
* Breaking: Set BLACKLIST_AFTER_ROTATION by default to False
* Remove EOL Python, Django and DRF version support
* Remove verify from jwt.decode to follow PyJWT v2.2.0
* Add blacklist view to log out users
* Add JWKS support
* Add back support for PyJWT 1.7.1
* Allow customizing token JSON encoding
* Revoke access token if user password is changed
* Declare support for type checking
* Many more changes, see CHANGELOG.md
- Drop patch jwt2.patch, included upstream.