chore(deps): 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] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
-alembic==1.14.1
+alembic==1.15.1
 apscheduler==3.10.4
 bcrypt==4.2.1
 bleach[css]==6.2.0