Update dependency mysqlclient to v2.1.0

Author: renovate-bot

pyproject.toml

@@ -78,7 +78,7 @@ sphinx_rtd_theme = "^1.0.0"
 lockfile = "^0.12.2"
 recommonmark = "^0.7.1"
 psycopg2 = {version = "=2.9.2", python = "3.6.* || 3.7.* || 3.8.* || 3.9.*"}
-mysqlclient = {version = "=2.0.3", python = "^3.6"}
+mysqlclient = {version = "=2.1.0", python = "^3.6"}
 tox = "^3.23"
 mypy = {version = "^0.910", python = "^3.6"}
 django-stubs = {version = "^1.9", python = "^3.6"}