devel/py-oslo.versionedobjects: Update to 2.6.0

Changes:	https://docs.openstack.org/oslo.versionedobjects/latest/user/history.html

devel/py-oslo.versionedobjects/Makefile

 # Created by: Alexander Nusov <alexander.nusov@nfvexpress.com>
 
 PORTNAME=	oslo.versionedobjects
-PORTVERSION=	2.5.0
+PORTVERSION=	2.6.0
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

devel/py-oslo.versionedobjects/distinfo

-TIMESTAMP = 1632037132
-SHA256 (oslo.versionedobjects-2.5.0.tar.gz) = ad08dbe84a808ce17e76c41ec3f682b1201ed685346e63c6ebcb22fdd908768c
-SIZE (oslo.versionedobjects-2.5.0.tar.gz) = 153968
+TIMESTAMP = 1646058006
+SHA256 (oslo.versionedobjects-2.6.0.tar.gz) = 3debcb6adae9fac5440b9d30e913feda1994ff45647b980b750e37ab5851aecb
+SIZE (oslo.versionedobjects-2.6.0.tar.gz) = 154060