build(deps): bump authlib (openwallet-foundation#2798)

Bumps the pip group with 1 update in the /oid4vc/auth_server directory: [authlib](https://github.com/authlib/authlib).


Updates `authlib` from 1.6.6 to 1.6.7
- [Release notes](https://github.com/authlib/authlib/releases)
- [Changelog](https://github.com/authlib/authlib/blob/main/docs/changelog.rst)
- [Commits](authlib/authlib@v1.6.6...v1.6.7)

---
updated-dependencies:
- dependency-name: authlib
  dependency-version: 1.6.7
  dependency-type: direct:production
  dependency-group: pip
...

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