Bump sqlalchemy from 1.4.37 to 1.4.39

Bumps [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) from 1.4.37 to 1.4.39.
- [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>

requirements.txt

@@ -6,7 +6,7 @@ ccxt==1.88.15
 # Pin cryptography for now due to rust build errors with piwheels
 cryptography==37.0.2
 aiohttp==3.8.1
-SQLAlchemy==1.4.37
+SQLAlchemy==1.4.39
 python-telegram-bot==13.12
 arrow==1.2.2
 cachetools==4.2.2