Update pymysql requirement from <1.1,>=0.9 to >=0.9,<1.2

Updates the requirements on [pymysql](https://github.com/PyMySQL/PyMySQL) to permit the latest version.
- [Release notes](https://github.com/PyMySQL/PyMySQL/releases)
- [Changelog](https://github.com/PyMySQL/PyMySQL/blob/main/CHANGELOG.md)
- [Commits](https://github.com/PyMySQL/PyMySQL/compare/v0.9.0...v1.1.0)

---
updated-dependencies:
- dependency-name: pymysql
  dependency-type: direct:development
...

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

setup.cfg

@@ -52,7 +52,7 @@ install_requires =
 database =
     # Python 3.11 support starts in 2.9.2
     psycopg2-binary>=2.9.2,<3
-    PyMySQL>=0.9,<1.1
+    PyMySQL>=0.9,<1.2
 
 dev =
     black==23.3.0