Release version 1.3.0

Update German translations

Regenerate translation files

Add references to input-remapper, via info box and shortcut

DpiStageWidget: Enable setting 1-step DPI via spinbox

DpiStageWidget: Make spinbox the source of DPI value

DpiStageWidget: Decrease step size from 100 to 50 DPI

Build with Qt6

Replace deprecated qAsConst usage

Release version 1.2.0

Use non-deprecated developer tag for appstream xml

Replace QPushButton::pressed signal usage with 'clicked'

Add Bulgarian translation

Support translations for strings from libopenrazer

Add Esperanto translations