x11-toolkits/qtermwidget-qt5: New port: Terminal widget for QTerminal (Qt5)

QTermWidget is an opensource project originally based on KDE4 Konsole
application. The main goal of this project is to provide unicode-enabled,
embeddable Qt5 widget for using as a built-in console (or terminal emulation
widget).

- Bump PORTREVISION of x11/coreterminal

PR:		278905
Approved by:	jsm