www/smarty3: Update to 3.1.45

• Fix LICENSE
• Reformat pkg-descr
• Take maintainership

Changes: https://github.com/smarty-php/smarty/releases

		https://github.com/smarty-php/smarty/blob/support/3.1/CHANGELOG.md

Security: CVE-2021-21408, CVE-2021-26119, CVE-2021-26120, CVE-2021-29454, CVE-2022-29221