Merge pull request #4778 from jriwanek-forks/dates

Update dates for 4.2.1 release

Ran bumpversion.sh to update the dates.

Merge branch 'master' of https://github.com/86Box/86Box

Added the STB PowerGraph 64 Video (S3 Trio64V  VLB).

Merge branch 'master' of https://github.com/86Box/86Box

Properly fix serial mouse wheel.

VISO: Disable temporary logging

Implemented more previously unimplemented AT NVR behavior.

Actually fixed the hang.

qt: fix windeployqt with qt5