devel/py-attrs: Update to 22.1.0

Changes:	https://github.com/python-attrs/attrs/releases

devel/py-attrs/Makefile

 PORTNAME=	attrs
-PORTVERSION=	21.4.0
+PORTVERSION=	22.1.0
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -15,10 +15,9 @@ TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cloudpickle>=0:devel/py-cloudpickle@${PY_FL
 		${PYTHON_PKGNAMEPREFIX}hypothesis>=0:devel/py-hypothesis@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}Pympler>=0:devel/py-pympler@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pyright>=0:devel/py-pyright@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}six>=0:devel/py-six@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}zope.interface>=0:devel/py-zope.interface@${PY_FLAVOR}
 
-USES=		python:3.6+
+USES=		python:3.5+
 USE_PYTHON=	autoplist concurrent distutils pytest
 
 NO_ARCH=	yes

devel/py-attrs/distinfo

-TIMESTAMP = 1642102253
-SHA256 (attrs-21.4.0.tar.gz) = 626ba8234211db98e869df76230a137c4c40a12d72445c45d5f5b716f076e2fd
-SIZE (attrs-21.4.0.tar.gz) = 201839
+TIMESTAMP = 1660576772
+SHA256 (attrs-22.1.0.tar.gz) = 29adc2665447e5191d0e7c568fde78b21f9672d344281d0c6e1ab085429b22b6
+SIZE (attrs-22.1.0.tar.gz) = 201288