Bump fastapi-users-db-sqlalchemy from 4.0.5 to 6.0.0

Bumps [fastapi-users-db-sqlalchemy](https://github.com/fastapi-users/fastapi-users-db-sqlalchemy) from 4.0.5 to 6.0.0.
- [Release notes](https://github.com/fastapi-users/fastapi-users-db-sqlalchemy/releases)
- [Commits](fastapi-users/fastapi-users-db-sqlalchemy@v4.0.5...v6.0.0)

---
updated-dependencies:
- dependency-name: fastapi-users-db-sqlalchemy
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -1,6 +1,6 @@
 fastapi==0.95.1
 fastapi-users==10.4.1
-fastapi-users-db-sqlalchemy==4.0.5
+fastapi-users-db-sqlalchemy==6.0.0
 uvicorn==0.21.1
 asyncpg==0.27.0
 psycopg2-binary==2.9.6