[stubsabot] Bump Authlib to 1.6.0

[github-actions[bot]]

Release: https://pypi.org/pypi/Authlib/1.6.0 Repository: https://github.com/lepture/authlib Typeshed stubs: https://github.com/python/typeshed/tree/main/stubs/Authlib Diff: https://github.com/lepture/authlib/compare/v1.5.0...v1.6.0

Stubsabot analysis of the diff between the two releases:

• 7 public Python files have been added: authlib/oauth2/rfc6749/hooks.py, authlib/oauth2/rfc9101/__init__.py, authlib/oauth2/rfc9101/authorization_server.py, authlib/oauth2/rfc9101/discovery.py, authlib/oauth2/rfc9101/errors.py, authlib/oauth2/rfc9101/registration.py, authlib/oidc/core/userinfo.py.
• 0 files included in typeshed's stubs have been deleted.
• 41 files included in typeshed's stubs have been modified or renamed.
• Total lines of Python code added: 4505.
• Total lines of Python code deleted: 3007.

If stubtest fails for this PR:

• Leave this PR open (as a reminder, and to prevent stubsabot from opening another PR)
• Fix stubtest failures in another PR, then close this PR

Note that you will need to close and re-open the PR in order to trigger CI

[srittau]

We should merge #13840 first and then let stubsabot do its thing again.

[srittau]

Closing to let stubsabot generate a new PR.