textproc/py-mkdocs-nature: Update to 0.5

Changelog:

https://github.com/waylan/mkdocs-nature/compare/0.4...0.5

textproc/py-mkdocs-nature/Makefile

 PORTNAME=	mkdocs-nature
-DISTVERSION=	0.4
+DISTVERSION=	0.5
 CATEGORIES=	textproc python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

textproc/py-mkdocs-nature/distinfo

-TIMESTAMP = 1663076588
-SHA256 (mkdocs-nature-0.4.tar.gz) = 7086127a4033ed1e554904d90553fd20fdd38f8d77035416ed4b45cbb9a6f6cf
-SIZE (mkdocs-nature-0.4.tar.gz) = 52046
+TIMESTAMP = 1692336794
+SHA256 (mkdocs-nature-0.5.tar.gz) = 81fd38feb61936b2c493e34803a956eabe7ca0f118f894b9fc214a6c06dace5d
+SIZE (mkdocs-nature-0.5.tar.gz) = 52829