Updated python-urllib3 packages fix security vulnerability

It was discovered that urllib3 incorrectly removed Authorization HTTP headers when handled cross-origin redirects. This could result in credentials being sent to unintended hosts (CVE-2018-20060). It was discovered that urllib3 incorrectly stripped certain characters from requests. A remote attacker could use this issue to perform CRLF injection (CVE-2019-11236). It was discovered that urllib3 incorrectly handled situations where a desired set of CA certificates were specified. This could result in certificates being accepted by the default CA certificates contrary to expectatons (CVE-2019-11324). The python-urllib3 package has been updated to version 1.24.3 to fix these issues and other bugs. The python-requests package has been fixed to work with the updated python-urllib3