www/waterfox: Update 6.7.0-beta.3 => 6.7.1.1
Changelog:
https://github.com/BrowserWorks/waterfox/releases/tag/6.7.0
https://github.com/BrowserWorks/waterfox/releases/tag/6.7.1.1
PR: 298018
Sponsored by: UNIS Labs
MFH: 2026Q3
(cherry picked from commit c15851b5d6fc3781f592602edc35589c21774938)