Bump mysqlclient from 2.1.1 to 2.2.0 (#404)

Bumps [mysqlclient](https://github.com/PyMySQL/mysqlclient) from 2.1.1 to 2.2.0.
- [Release notes](https://github.com/PyMySQL/mysqlclient/releases)
- [Changelog](https://github.com/PyMySQL/mysqlclient/blob/main/HISTORY.rst)
- [Commits](PyMySQL/mysqlclient@v2.1.1...v2.2.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

setup.py

@@ -60,7 +60,7 @@
     install_requires=[
         'docopt==0.6.2',
         'PyYAML==6.0.1',
-        'mysqlclient==2.1.1',
+        'mysqlclient==2.2.0',
         'sql_metadata==2.8.0',
         'termcolor==2.3.0',
         'yamlordereddictloader==0.4.0'