⬆ bump alembic from 1.14.1 to 1.15.1

Bumps [alembic](https://github.com/sqlalchemy/alembic) from 1.14.1 to 1.15.1.
- [Release notes](https://github.com/sqlalchemy/alembic/releases)
- [Changelog](https://github.com/sqlalchemy/alembic/blob/main/CHANGES)
- [Commits](https://github.com/sqlalchemy/alembic/commits)

---
updated-dependencies:
- dependency-name: alembic
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -3,6 +3,6 @@ Authlib==1.5.1
 SQLAlchemy==2.0.38
 psycopg2==2.9.10
 bcrypt==4.2.1
-alembic==1.14.1
+alembic==1.15.1
 psutil==6.1.1
 loguru==0.7.3