Bump pymysql from 1.1.0 to 1.1.1 in /flink-cdc/cdc-manager

Bumps [pymysql](https://github.com/PyMySQL/PyMySQL) from 1.1.0 to 1.1.1.
- [Release notes](https://github.com/PyMySQL/PyMySQL/releases)
- [Changelog](https://github.com/PyMySQL/PyMySQL/blob/main/CHANGELOG.md)
- [Commits](PyMySQL/PyMySQL@v1.1.0...v1.1.1)

---
updated-dependencies:
- dependency-name: pymysql
  dependency-version: 1.1.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

flink-cdc/cdc-manager/requirements.txt

@@ -1,7 +1,7 @@
 Flask==3.0.0
 Flask-CORS==4.0.0
 psycopg2-binary==2.9.9
-PyMySQL==1.1.0
+PyMySQL==1.1.1
 requests==2.31.0
 PyYAML==6.0.1
 python-dotenv==1.0.0