chore(deps): update dependency idna to v3.7 [security]

Author: renovate[bot]

requirements.txt

@@ -19,7 +19,7 @@ enum34==1.1.10
 facepy==1.0.12
 gunicorn==19.10.0
 honcho==1.1.0
-idna==3.4
+idna==3.7
 isort==5.11.5
 kombu==5.2.4
 lazy-object-proxy==1.9.0