Update qbs submodule.

And make sure we re-fetch project data after building, as now qbs can
find new target artifacts while building.

Change-Id: I880689c33893b599686919a90f04281e36c3935e
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/qbsprojectmanager/qbsbuildstep.cpp

@@ -239,6 +239,9 @@ void QbsBuildStep::buildingDone(bool success)
         createTaskAndOutput(ProjectExplorer::Task::Error, item.description(),
                             item.codeLocation().fileName(), item.codeLocation().line());
 
+    // Building can uncover additional target artifacts.
+    static_cast<QbsProject *>(project())->parseCurrentBuildConfiguration(true);
+
     QTC_ASSERT(m_fi, return);
     m_fi->reportResult(success);
     m_fi = 0; // do not delete, it is not ours

qbs @ 6f6606b7

-Subproject commit f64c7492a3ba5cd73994be810be7ff529a19f37e
+Subproject commit 6f6606b798b2e9c3911b2a0794835089ab100cb8