Merge pull request #38 from lukin0110/master

fix: explicitly export public models/variables

Remove py3.7 from matrix testing, set default on optional model field and use pydantic-settings (pydantic v2)

Fix mypy complaints, add 3.11 in test matrix, bump version

Merge pull request #31 from theRealSuperMario/fix/missing-kid

Improve test case differentiation

Refactor kid header verification

Improve test token decoding and encoding

Fix get_missing_kid_token

Update malformed token

Just use as error message

Add missing kid test

Use Auth0UnauthenticatedException

Add UnauthorizedException when kid is not provided

Change to MIT license also in pypy metadata