security/py-azure-keyvault-secrets: Convert to USE_PYTHON=pep517

- Bump PORTREVISION for package change

security/py-azure-keyvault-secrets/Makefile

 PORTNAME=	azure-keyvault-secrets
 PORTVERSION=	4.7.0
+PORTREVISION=	1
 CATEGORIES=	security python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -11,13 +12,15 @@ WWW=		https://github.com/Azure/azure-sdk-for-python/tree/master/sdk/keyvault/azu
 LICENSE=	MIT
 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=	${PYTHON_PKGNAMEPREFIX}azure-common>=1.1<2:www/py-azure-common@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}azure-core>=1.24.0<2.0.0:devel/py-azure-core@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}isodate>=0.6.1:devel/py-isodate@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}typing-extensions>=4.0.1:devel/py-typing-extensions@${PY_FLAVOR}
 
 USES=		python zip
-USE_PYTHON=	autoplist concurrent distutils
+USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes