Update dependencies on '6.2.0' in qt/qtscxml

Change-Id: I87ee4a74f45a1875239ab234a9c58cef6d296d94
Reviewed-by: Qt Submodule Update Bot <qt_submodule_update_bot@qt-project.org>

dependencies.yaml

 dependencies:
   ../qtbase:
-    ref: cc60cf83db6bbf9775b1f7747a48d6b7eb24e585
+    ref: e0847c843ad61021c4eff70b6bebf33ca7f952e7
     required: true
   ../qtdeclarative:
-    ref: de5c38327e56454a8df433bc85834be535ecbbda
+    ref: 782fb509b2fa2908b82cddd958e69f9909cf7915
     required: true