Bump mysqlclient from 2.1.0 to 2.1.1 (#707)

Bumps [mysqlclient](https://github.com/PyMySQL/mysqlclient) from 2.1.0 to 2.1.1.
- [Release notes](https://github.com/PyMySQL/mysqlclient/releases)
- [Changelog](https://github.com/PyMySQL/mysqlclient/blob/main/HISTORY.rst)
- [Commits](https://github.com/PyMySQL/mysqlclient/compare/v2.1.0...v2.1.1)

---
updated-dependencies:
- dependency-name: mysqlclient
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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pyproject.toml

@@ -73,7 +73,7 @@ asyncpg = ">=0.24,<0.26"
 
 # Sync database drivers for standard tooling around setup/teardown/migrations.
 psycopg2-binary = "^2.9.1"
-mysqlclient = "^2.1.0"
+mysqlclient = "^2.1.1"
 PyMySQL = ">=0.9,<=0.9.3"
 
 # Testing