www/librewolf: Update 155.0.1-1 => 156.0-1

Release Notes:
https://www.firefox.com/en-US/firefox/156.0/releasenotes/

• Add LOCAL/vvd to MASTER_SITES - can't direct download distfile.

PR: 298583
Sponsored by: UNIS Labs (vvd, commit patch)
MFH: 2026Q3

(cherry picked from commit 96a89ac57a45b3f3b52811289bbc104e1999086a)