Bump mysqlclient from 2.1.1 to 2.2.4

Bumps [mysqlclient](https://github.com/PyMySQL/mysqlclient) from 2.1.1 to 2.2.4.
- [Release notes](https://github.com/PyMySQL/mysqlclient/releases)
- [Changelog](https://github.com/PyMySQL/mysqlclient/blob/main/HISTORY.rst)
- [Commits](PyMySQL/mysqlclient@v2.1.1...v2.2.4)

---
updated-dependencies:
- dependency-name: mysqlclient
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -32,7 +32,7 @@ jira==3.8.0
 PyGithub==1.58.2
 lxml==5.2.1
 Markdown==3.6
-mysqlclient==2.1.1
+mysqlclient==2.2.4
 openpyxl==3.1.2
 Pillow==10.3.0  # required by django-imagekit
 psycopg2-binary==2.9.9