devel/py-Jinja2: Update to 3.1.4

• This is a security release, which fixes security issues and bugs but does not otherwise change behavior and should not result in breaking changes. [1]
• Convert from distutils to pep517
• Pet portclippy(1)

Reference: https://github.com/advisories/GHSA-h75v-3vvj-5mfj [1]

Security: CVE-2024-34064