Bump authlib from 1.6.5 to 1.6.6

Bumps [authlib](https://github.com/authlib/authlib) from 1.6.5 to 1.6.6.
- [Release notes](https://github.com/authlib/authlib/releases)
- [Changelog](https://github.com/authlib/authlib/blob/main/docs/changelog.rst)
- [Commits](authlib/authlib@v1.6.5...v1.6.6)

---
updated-dependencies:
- dependency-name: authlib
  dependency-version: 1.6.6
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -2,7 +2,7 @@ aiofiles==24.1.0                    # Asynchronous file manipulation
 alembic==1.13.2                     # database migrations
 arq==0.26.3                         # Scheduler 
 asyncpg==0.31.0                     # PostgreSQL adapter for asynchronous operations
-authlib==1.6.5
+authlib==1.6.6
 bcrypt==4.1.3                       # password hashing
 boto3==1.38.23
 broadcaster==0.3.1                  # Working with websockets with multiple workers.