Adapt to ujson > 2.0

[PureTryOut]

ujson 2.0 has been released, but this package requires <= 1.35 currently. Please update to the latest version.

[goanpeca]

Hello. Once the windows and mac wheels are mived from test pypi to real pypi we will make the move.

There are only linux wheels available at the moment.

[e-kwsm]

ujson 3.0.0 was released.

[PureTryOut]

I wanted to update to 0.34.1 but my system having a new ujson is still a problem.