www/node20: Update to 20.19.0

Changes:	https://github.com/nodejs/node/releases
		https://github.com/nodejs/node/blob/main/doc/changelogs/CHANGELOG_V20.md

www/node20/Makefile.version

-NODEJS_PORTVERSION=	20.18.3
+NODEJS_PORTVERSION=	20.19.0

www/node20/distinfo

-TIMESTAMP = 1739663349
-SHA256 (node-v20.18.3.tar.xz) = 0674f16f3bc284c11724cd3f7c2a43f7c2c13d2eb7a872dd0db198f3d588c5f2
-SIZE (node-v20.18.3.tar.xz) = 41858348
+TIMESTAMP = 1742070284
+SHA256 (node-v20.19.0.tar.xz) = 5ac2516fc905b6a0bc1a33e7302937eac664a820b887cc86bd48c035fba392d7
+SIZE (node-v20.19.0.tar.xz) = 42285100