www/librewolf: update 127.0.1-1 → 127.0.2-2
Based on Firefox 127.0.2:
https://www.mozilla.org/en-US/firefox/127.0.2/releasenotes/
While here: make the Makefile more like www/firefox/Makefile.
PR: 280214
MFH: 2024Q3
(cherry picked from commit 49447045b4dac36c4aa6467fd3d75c4426ea8c76)