www/py-waitress: Update to 2.0.0

Changes:	https://github.com/Pylons/waitress/blob/master/CHANGES.txt

www/py-waitress/Makefile

 # Created by: Olivier Duchateau
 
 PORTNAME=	waitress
-PORTVERSION=	1.4.4
+PORTVERSION=	2.0.0
 CATEGORIES=	www python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

www/py-waitress/distinfo

-TIMESTAMP = 1591186802
-SHA256 (waitress-1.4.4.tar.gz) = 1bb436508a7487ac6cb097ae7a7fe5413aefca610550baf58f0940e51ecfb261
-SIZE (waitress-1.4.4.tar.gz) = 173124
+TIMESTAMP = 1618320316
+SHA256 (waitress-2.0.0.tar.gz) = 69e1f242c7f80273490d3403c3976f3ac3b26e289856936d1f620ed48f321897
+SIZE (waitress-2.0.0.tar.gz) = 175641