lang/python314: security update to 3.14.2

https://github.com/python/cpython/issues/142145 CVE-2025-12084
"Remove quadratic behavior in node ID cache clearing"

https://github.com/python/cpython/issues/119451 CVE-2025-13836
"Out-of-memory when reading a HTTP response with large Content-Length"

Announcement: https://pythoninsider.blogspot.com/2025/12/python-3142-and-31311-are-now-available.html
Changelog: https://docs.python.org/release/3.14.2/whatsnew/changelog.html
Security: 613d0f9e-d477-11f0-9e85-03ddfea11990
Security: CVE-2025-12084
Security: CVE-2025-13836