databases/py-pgdbconn: Convert to USE_PYTHON=pep517

- Add NO_ARCH
- Bump PORTREVISION for package change

databases/py-pgdbconn/Makefile

 PORTNAME=	pgdbconn
 PORTVERSION=	0.8.0
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	databases python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -12,9 +12,13 @@ WWW=		https://pypi.org/project/pgdbconn/
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>=0:devel/py-setuptools@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}psycopg2>=2.5:databases/py-psycopg2@${PY_FLAVOR}
 
 USES=		python
-USE_PYTHON=	distutils autoplist
+USE_PYTHON=	autoplist concurrent pep517
+
+NO_ARCH=	yes
 
 .include <bsd.port.mk>