net/py-urllib3: Update to 1.26.15

- Update WWW

Changes:	https://github.com/urllib3/urllib3/releases

net/py-urllib3/Makefile

 PORTNAME=	urllib3
-PORTVERSION=	1.26.14
+PORTVERSION=	1.26.15
 PORTEPOCH=	1
 CATEGORIES=	net python
 MASTER_SITES=	PYPI \
@@ -8,7 +8,7 @@ PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	python@FreeBSD.org
 COMMENT=	HTTP library with thread-safe connection pooling, file post, and more
-WWW=		https://pypi.org/project/urllib3/
+WWW=		https://github.com/urllib3/urllib3
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt

net/py-urllib3/distinfo

-TIMESTAMP = 1674590824
-SHA256 (urllib3-1.26.14.tar.gz) = 076907bf8fd355cde77728471316625a4d2f7e713c125f51953bb5b3eecf4f72
-SIZE (urllib3-1.26.14.tar.gz) = 300665
+TIMESTAMP = 1679499208
+SHA256 (urllib3-1.26.15.tar.gz) = 8a388717b9476f934a21484e8c8e61875ab60644d29b9b39e11e4b9dc1c6b305
+SIZE (urllib3-1.26.15.tar.gz) = 301444