package/python-urllib3: security bump to version 1.24.2

package/python-urllib3: security bump to version 1.24.2

Fixes the following security issue:

- CVE-2019-11324: The urllib3 library before 1.24.2 for Python mishandles
  certain cases where the desired set of CA certificates is different from
  the OS store of CA certificates, which results in SSL connections
  succeeding in situations where a verification failure is the correct
  outcome.  This is related to use of the ssl_context, ca_certs, or
  ca_certs_dir argument.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>