Update to 2.1.8

- Update version requirement of RUN_DEPENDS

Changes:	https://github.com/graphql-python/graphene/releases

devel/py-graphene/Makefile

@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	graphene
-PORTVERSION=	2.1.3
+PORTVERSION=	2.1.8
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -13,11 +13,10 @@ COMMENT=	GraphQL Framework for Python
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}aniso8601>=3:devel/py-aniso8601@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}graphql-core>=2.1:devel/py-graphql-core@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}graphql-relay>=0.4.5:devel/py-graphql-relay@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}promise>=2.1:devel/py-promise@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}six>=1.10.0:devel/py-six@${PY_FLAVOR}
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}aniso8601>=3<7:devel/py-aniso8601@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}graphql-core>=2.1<3:devel/py-graphql-core@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}graphql-relay>=2<3:devel/py-graphql-relay@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}six>=1.10.0<2:devel/py-six@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist concurrent distutils

devel/py-graphene/distinfo

-TIMESTAMP = 1550263736
-SHA256 (graphene-2.1.3.tar.gz) = b8ec446d17fa68721636eaad3d6adc1a378cb6323e219814c8f98c9928fc9642
-SIZE (graphene-2.1.3.tar.gz) = 33094
+TIMESTAMP = 1572806116
+SHA256 (graphene-2.1.8.tar.gz) = 2cbe6d4ef15cfc7b7805e0760a0e5b80747161ce1b0f990dfdc0d2cf497c12f9
+SIZE (graphene-2.1.8.tar.gz) = 42415

devel/py-graphene/files/patch-setup.py

---- setup.py.orig	2018-07-19 22:01:29 UTC
-+++ setup.py
-@@ -85,7 +85,7 @@ setup(
-         "graphql-core>=2.1,<3",
-         "graphql-relay>=0.4.5,<1",
-         "promise>=2.1,<3",
--        "aniso8601>=3,<4",
-+        "aniso8601>=3",
-     ],
-     tests_require=tests_require,
-     extras_require={