Bump sqlalchemy from 2.0.13 to 2.0.21

Bumps [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) from 2.0.13 to 2.0.21.
- [Release notes](https://github.com/sqlalchemy/sqlalchemy/releases)
- [Changelog](https://github.com/sqlalchemy/sqlalchemy/blob/main/CHANGES.rst)
- [Commits](https://github.com/sqlalchemy/sqlalchemy/commits)

---
updated-dependencies:
- dependency-name: sqlalchemy
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

poetry.lock

@@ -15,7 +15,7 @@ pandas = "^2.1.1"
 psycopg2-binary = "2.9.6"
 pymysql = "^1.1.0"
 python-decouple = "^3.8"
-sqlalchemy = "2.0.13"
+sqlalchemy = "2.0.21"
 
 [tool.poetry.group.dev.dependencies]
 ipython = "^8.4.0"