build(deps): bump sqlalchemy from 1.3.17 to 1.3.18

Bumps [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) from 1.3.17 to 1.3.18.
- [Release notes](https://github.com/sqlalchemy/sqlalchemy/releases)
- [Changelog](https://github.com/sqlalchemy/sqlalchemy/blob/master/CHANGES)
- [Commits](https://github.com/sqlalchemy/sqlalchemy/commits)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -13,7 +13,7 @@ nltk==3.5
 psutil==5.7.0
 py-irclib==0.2.1
 requests==2.24.0
-SQLAlchemy==1.3.17
+SQLAlchemy==1.3.18
 tweepy==3.8.0
 venusian==3.0.0
 watchdog==0.10.3