textproc/py-mkdocs-material-extensions: Update to 1.3

Changelog:

https://github.com/facelessuser/mkdocs-material-extensions/releases/tag/1.3

textproc/py-mkdocs-material-extensions/Makefile

 PORTNAME=	mkdocs-material-extensions
-DISTVERSION=	1.2
+DISTVERSION=	1.3
 CATEGORIES=	textproc python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

textproc/py-mkdocs-material-extensions/distinfo

-TIMESTAMP = 1695843523
-SHA256 (mkdocs_material_extensions-1.2.tar.gz) = 27e2d1ed2d031426a6e10d5ea06989d67e90bb02acd588bc5673106b5ee5eedf
-SIZE (mkdocs_material_extensions-1.2.tar.gz) = 11105
+TIMESTAMP = 1699598501
+SHA256 (mkdocs_material_extensions-1.3.tar.gz) = f0446091503acb110a7cab9349cbc90eeac51b58d1caa92a704a81ca1e24ddbd
+SIZE (mkdocs_material_extensions-1.3.tar.gz) = 11780