Update qbs submodule.
Update qbs submodule.

To HEAD of master branch.

Task-number: QTCREATORBUG-13838
Change-Id: If1f1015e8bc91e3b7ac3c04dcc949b24c5e7e453
Reviewed-by: Joerg Bornemann <47777b9406dbddd02a3fdca8341789a013805a11@theqtcompany.com>

martyone/sailfish-qtcreator,amyvmiwei/qt-creator,kuba1/qtcreator,danimo/qt-creator,Distrotech/qtcreator,kuba1/qtcreator,amyvmiwei/qt-creator,danimo/qt-creator,danimo/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,xianian/qt-creator,xianian/qt-creator,kuba1/qtcreator,danimo/qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,Distrotech/qtcreator,amyvmiwei/qt-creator,kuba1/qtcreator,danimo/qt-creator,danimo/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,danimo/qt-creator,kuba1/qtcreator,danimo/qt-creator,xianian/qt-creator,amyvmiwei/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,Distrotech/qtcreator,Distrotech/qtcreator,kuba1/qtcreator,amyvmiwei/qt-creator,amyvmiwei/qt-creator,xianian/qt-creator,danimo/qt-creator,xianian/qt-creator,kuba1/qtcreator,Distrotech/qtcreator,xianian/qt-creator,Distrotech/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator