Update dependencies on 'dev' in qt/qtmqtt

Change-Id: Icb670b8c44894305bd5d818fc3a8aeb737f406c0 Reviewed-by: Qt Submodule Update Bot <qt_submodule_update_bot@qt-project.org>

Author: Qt Submodule Update Bot

dependencies.yaml

@@ -1,10 +1,10 @@
 dependencies:
  ../qtbase:
- ref: ca07bcc9e9d4cf9c32bbd4a29187e3904b85598c
+ ref: d84672cef17f13a5b8c1b9072dec8171299e888d
  required: true
  ../qtdeclarative:
- ref: 4ec5f97a55c705b5c9656ba935ff3bc6a0f33ac2
+ ref: 72131e6015dd7c831481129e864cd2783447ab0e
  required: true
  ../qtwebsockets:
- ref: bcad37ff6013dcaec7dd81350a4c7b9010da17eb
+ ref: c70fc5e215143e8a569bd2f0a94eeb48dff7b6e8
  required: false