www/firefox-esr: update to 102.7.0 (rc1)

Release Notes (soon):
  https://www.mozilla.org/en-US/firefox/102.7.0/releasenotes/

www/firefox-esr/Makefile

 PORTNAME=	firefox
-DISTVERSION=	102.6.0
-PORTREVISION=	3
+DISTVERSION=	102.7.0
 PORTEPOCH=	1
 CATEGORIES=	www wayland
 MASTER_SITES=	MOZILLA/${PORTNAME}/releases/${DISTVERSION}esr/source \

www/firefox-esr/distinfo

-TIMESTAMP = 1670341791
-SHA256 (firefox-102.6.0esr.source.tar.xz) = d23154a4d876d76122161e7be2659de6e88985802d9e5125baf1d133f37f0ffe
-SIZE (firefox-102.6.0esr.source.tar.xz) = 478856656
+TIMESTAMP = 1673286650
+SHA256 (firefox-102.7.0esr.source.tar.xz) = a7a4603417fcb42ec37f2cff9034280ce2ec772c0a5fc500fada4286ba3114aa
+SIZE (firefox-102.7.0esr.source.tar.xz) = 479538092