math/mpfrc++: update 3.6.9 → 3.7.0

Reported by:	portscout

math/mpfrc++/Makefile

 PORTNAME=	mpfrc++
 DISTVERSIONPREFIX=	${PORTNAME}-
-DISTVERSION=	3.6.9
+DISTVERSION=	3.7.0
 CATEGORIES=	math devel
 
 MAINTAINER=	yuri@FreeBSD.org

math/mpfrc++/distinfo

-TIMESTAMP = 1643650876
-SHA256 (advanpix-mpreal-mpfrc++-3.6.9_GH0.tar.gz) = 7ff631e530778f459d74aff624868a7a2aed91c0f694ed32bd6c3501dc7f8540
-SIZE (advanpix-mpreal-mpfrc++-3.6.9_GH0.tar.gz) = 38218
+TIMESTAMP = 1694406345
+SHA256 (advanpix-mpreal-mpfrc++-3.7.0_GH0.tar.gz) = 1a9209ca4e768bc52b6087710a2bebbfb9640f5134482f1cea252b43870fc4f1
+SIZE (advanpix-mpreal-mpfrc++-3.7.0_GH0.tar.gz) = 38759