Bump alembic from 1.7.7 to 1.8.1

Bumps [alembic](https://github.com/sqlalchemy/alembic) from 1.7.7 to 1.8.1.
- [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>

pyproject.toml

@@ -27,7 +27,7 @@ uvicorn = {extras = ["standard"], version = "^0.17.5"}
 gunicorn = "^20.0.4"
 pydantic = {extras = ["email"], version = "^1.9.2"}
 SQLAlchemy = ">1.3.23, <1.4"  # 1.4 is big update, requires SQLAlchemy-Utils support
-alembic = "^1.5.4"
+alembic = "^1.8.1"
 python-multipart = "^0.0.5"
 python-jose = {extras = ["cryptography"], version = "^3.2.0"}
 passlib = {extras = ["argon2"], version = "^1.7.4"}