lang/python314: Security update to 3.14.4

Add a -flto=full option, which can speed up the port build
in terms of wallclock time at the expense of overall more
CPU time.

Issue a warning that test_ssl will fail from pre-test
if DEBUG is enabled.

Changelog: https://docs.python.org/release/3.14.4/whatsnew/changelog.html

PR: 294324

Which contains these security fixes:

pyexpat.c: Unbounded C recursion in conv_content_model causes crash
Security: https://github.com/python/cpython/issues/145986

		/ CVE-2026-4224

Reject control characters in more places in http.cookies.Morsel
Security: https://github.com/python/cpython/issues/145599

		/ CVE-2026-3644

SourcelessFileLoader does not use io.open_code()
Security: https://github.com/python/cpython/issues/145506

		/ CVE-2026-2297

Disallow usage of control characters in status, headers and
values for security in Lib/wsgiref/handlers.py
Security: https://github.com/python/cpython/issues/144370

Reject leading dashes in webbrowser.open()
Security: https://github.com/python/cpython/issues/143930

		/ 9fdad262-2e0f-11f1-88c7-00a098b42aeb
		/ CVE-2026-4519

Excess Base64 data ignored after padding by default
Security: https://github.com/python/cpython/issues/145264

		/ CVE-2026-3446

Additional security related PRs from upstream

HTTP proxy via "CONNECT" tunneling doesn't sanitize CR/LF
Obtained from: https://github.com/python/cpython/pull/148342
Security https://github.com/python/cpython/issues/146212

		/ CVE-2026-1502

configparser.RawConfigParser.{OPTCRE,OPTCRE_NV} regexes vulnerable to
quadratic backtracking
Obtained from: https://github.com/python/cpython/pull/148287
Security: https://github.com/python/cpython/issues/146333

(cherry picked from commit 955268b87942c8ed7787c1cce516bf8bf8ff1041)