chore(deps): update dependency urllib3 to v1.26.5 [security]

Author: renovate-bot

frozen_requirements.txt

@@ -119,7 +119,7 @@ tox==3.6.1
 typed-ast==1.3.5
 unattended-upgrades==0.1
 uritemplate==3.0.0
-urllib3==1.24.1
+urllib3==1.26.5
 virtualenv==16.2.0
 wrapt==1.11.1
 zipp==0.3.3