textproc/py-rich12: Convert to USE_PYTHON=pep517

- Bump PORTREVISION for package change

textproc/py-rich12/Makefile

@@ -1,5 +1,6 @@
 PORTNAME=	rich
 PORTVERSION=	12.6.0
+PORTREVISION=	1
 CATEGORIES=	textproc python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -12,11 +13,12 @@ WWW=		https://github.com/Textualize/rich
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}poetry-core>=1.0.0:devel/py-poetry-core@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}CommonMark>=0.9.0<0.10.0:textproc/py-CommonMark@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pygments>=2.6.0<3.0.0:textproc/py-pygments@${PY_FLAVOR}
 
 USES=		python
-USE_PYTHON=	autoplist concurrent distutils
+USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes