Bump alembic from 1.11.1 to 1.11.3

Bumps [alembic](https://github.com/sqlalchemy/alembic) from 1.11.1 to 1.11.3.
- [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-patch
...

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

requirements.txt

@@ -13,7 +13,7 @@
 #
 # Direct dependencies (at least one import requires it)
 APScheduler==3.10.1
-alembic==1.11.1
+alembic==1.11.3
 bleach==6.0.0
 cachetools==5.3.1
 Flask==2.3.2