Bump sqlalchemy from 1.2.18 to 1.2.19 in /plugins/sql

Bumps [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) from 1.2.18 to 1.2.19.
- [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
...

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

plugins/sql/requirements.txt

@@ -1,4 +1,4 @@
-SQLAlchemy==1.2.18
+SQLAlchemy==1.2.19
 psycopg2==2.8.6
 SQLAlchemy-Utils==0.32.21
 pymssql==2.2.5