fix: add explicit greenlet dependency for SQLAlchemy async support

SQLAlchemy's async features (used with aiosqlite) require greenlet at
runtime, but it's not always installed as a transitive dependency.
This caused make start to fail on macOS with a missing module error.

Author: szerintedmi

pyproject.toml

@@ -34,6 +34,7 @@ dependencies = [
     "python-multipart>=0.0.6",
     "pydantic-settings>=2.1.0",
     "sqlalchemy>=2.0.23",
+    "greenlet>=3.0.0",
     "aiosqlite>=0.19.0",
     "alembic>=1.13.0",
     "passlib[bcrypt]>=1.7.4",