www/py-flask-jwt-extended: Update to 4.4.1

• Drop support for Flask 1
• Add verify_type argument to view decorators
• Documentation improvements
• Relax dependency pinning for cryptography package
• Fix PEP 561 compatibility

The port uses standardized pytest entry point now.

Changelog: https://github.com/vimalloc/flask-jwt-extended/releases/tag/4.4.0

https://github.com/vimalloc/flask-jwt-extended/releases/tag/4.4.1

PR: 263834