textproc/py-mkdocs: Update to 1.2.3

Changelog:

https://github.com/mkdocs/mkdocs/releases/tag/1.2.3

MFH:		2022Q1

textproc/py-mkdocs/Makefile

 PORTNAME=	mkdocs
-DISTVERSION=	1.2.2
+DISTVERSION=	1.2.3
 CATEGORIES=	textproc python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

textproc/py-mkdocs/distinfo

-TIMESTAMP = 1633264270
-SHA256 (mkdocs-1.2.2.tar.gz) = a334f5bd98ec960638511366eb8c5abc9c99b9083a0ed2401d8791b112d6b078
-SIZE (mkdocs-1.2.2.tar.gz) = 6294216
+TIMESTAMP = 1635924619
+SHA256 (mkdocs-1.2.3.tar.gz) = 89f5a094764381cda656af4298727c9f53dc3e602983087e1fe96ea1df24f4c1
+SIZE (mkdocs-1.2.3.tar.gz) = 6295861