security/gopass: Update to 1.15.16
- Fix gopass version (1.15.16-git+9090fcc4) by removing commit part
- Switch to go124
ChangeLog: https://github.com/gopasspw/gopass/releases/tag/v1.15.16
MFH: 2025Q2
(cherry picked from commit f41f85cf6098f89728310adc11acdc7ab12485f0)