graphics/py-OWSLib: Update to 0.28.0

graphics/py-OWSLib/Makefile

 PORTNAME=	OWSLib
-PORTVERSION=	0.27.2
+PORTVERSION=	0.28.0
 CATEGORIES=	graphics geography python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

graphics/py-OWSLib/distinfo

-TIMESTAMP = 1664427648
-SHA256 (OWSLib-0.27.2.tar.gz) = e102aa2444dfe0c8439ab1e1776cc0fa47cea28c09b8a28212c893c6017c179b
-SIZE (OWSLib-0.27.2.tar.gz) = 174867
+TIMESTAMP = 1677057162
+SHA256 (OWSLib-0.28.0.tar.gz) = dad03f5d955c16a763954d554f63318cd3037aef7abd08fc564f5e83f72fab94
+SIZE (OWSLib-0.28.0.tar.gz) = 175856