python-urllib3 security update

1.26.19-4 - Security fix for CVE-2026-44431 - Security fix for CVE-2026-44432 Resolves: RHEL-184817, RHEL-185121 1.26.19-3 - Security fix for CVE-2025-66471 - Security fix for CVE-2025-66418 - Security fix for CVE-2026-21441 Resolves: RHEL-142737, RHEL-137215, RHEL-142755...