math/py-cvxpy: Update 1.1.13 -> 1.1.15

math/py-cvxpy/Makefile

 PORTNAME=	cvxpy
-DISTVERSION=	1.1.13
+DISTVERSION=	1.1.15
 CATEGORIES=	math python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

math/py-cvxpy/distinfo

-TIMESTAMP = 1621961715
-SHA256 (cvxpy-1.1.13.tar.gz) = a9c781e74ad76097b47b86456cb3a943898f7ec9ac8f47bcefc922051cdc4a04
-SIZE (cvxpy-1.1.13.tar.gz) = 1283375
+TIMESTAMP = 1629226386
+SHA256 (cvxpy-1.1.15.tar.gz) = a9a9ba6537dfbbbf090b3a0b73a185c509ace620dbcadbacc6981f728b3298a6
+SIZE (cvxpy-1.1.15.tar.gz) = 1288337