fix(deps): update dependency alembic to ~1.15.0

Author: renovate[bot]

pyproject.toml

@@ -22,7 +22,7 @@ loguru = ">=0.6.0,<0.7.0"
 mako = "~1.2.2"
 pydantic = { version = "~1.10.5", extras = ["dotenv"] }
 
-alembic = "~1.7.6"
+alembic = "~1.15.0"
 SQLAlchemy = "~1.4.31"
 asyncpg = "0.26.0"  # DB backend for application
 psycopg2-binary = "~2.9.2"  # DB backend for alembic (migration tool)