net/py-gdown: Update to 3.15.0

Changes:	https://github.com/wkentaro/gdown/commits/master

net/py-gdown/Makefile

 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	gdown
-PORTVERSION=	3.14.0
+PORTVERSION=	3.15.0
 CATEGORIES=	net python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

net/py-gdown/distinfo

-TIMESTAMP = 1632773658
-SHA256 (gdown-3.14.0.tar.gz) = a7199d7e6b776109f251611869d0dd7ba202e4d9b97da36e82f9fca262cc5d21
-SIZE (gdown-3.14.0.tar.gz) = 10247
+TIMESTAMP = 1634111792
+SHA256 (gdown-3.15.0.tar.gz) = eb0cfb3f74e3fc85c7895da5dc5a4db5a987829b3fd7506316667f401507681f
+SIZE (gdown-3.15.0.tar.gz) = 10705