fix: Update urllib3 to address CVE-2025-66418 and CVE-2025-66471

[jeff-schnitter]

Summary

The current urllib3 dependency (>= 2.2.2) allows installation of vulnerable versions. Two CVEs affect urllib3 versions prior to 2.6.0:

• CVE-2025-66418: Affects urllib3 >=1.24, <2.6.0
• CVE-2025-66471: Affects urllib3 >=1.0, <2.6.0

Impact

PR builds are failing security checks due to these vulnerabilities.

Solution

Update the urllib3 version constraint in pyproject.toml from >= 2.2.2 to >= 2.6.0.

Affected PRs

• Add tests for iconTag parameter in entity-types create #183 - Add tests for iconTag parameter in entity-types create
• Fix backup import/export error handling #185 - Fix backup import/export error handling