sysutils/qtpass: Update to 1.2.1

Changelog:
https://github.com/IJHack/QtPass/blob/master/CHANGELOG.md

Additional port changes:

• Changed to DISTVERSION
• Added to and sorted USE_QT5

PR: 225379
Submitted by: Anne Jan Brouwer <brouwer@annejan.com> (maintainer)
Approved by: tcberner (mentor, implicit)