Update dependencies on 'dev' in qt/qttranslations

Change-Id: I8e3d53ba7aae7e266e449740c175163173a4ae45
Reviewed-by: Qt Submodule Update Bot <qt_submodule_update_bot@qt-project.org>

dependencies.yaml

 dependencies:
   ../qttools:
-    ref: 1becfa920adeb94de22f366c7bfec4affd0bfefa
+    ref: 8c471c7eaf103ff2367aae82f3f961dbe5789c4a
     required: true