Test requirements security upgrade.

test_requirements.txt

@@ -13,7 +13,7 @@ flake8-quotes==3.3.2
 flake8-use-fstring==1.4
 flake8-variables-names==0.0.5
 flexmock==0.11.3
-idna==3.4
+idna==3.7
 isort==5.12.0
 jsonschema==4.17.3
 Markdown==3.4.1