Log Message:
qt5: updated to 5.15.1

Qt 5.15.1 Released

We have released Qt 5.15.1, the first patch release of Qt 5.15 LTS. As a patch \ 
release, Qt 5.15.1 does not add any new functionality but provides many bug \ 
fixes and other improvements.

Compared to Qt 5.15.0, the new Qt 5.15.1 contains more than 400 bug fixes.  For \ 
details of the most important changes, please check the Change files of Qt \ 
5.15.1.