Deprecate qtcharts module in the superproject

Task-number: QTBUG-133659
Change-Id: Icb5e274e88723d9a2d7903998c1cd13248168ae9
Reviewed-by: Jani Heikkinen <jani.heikkinen@qt.io>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>

Author: TomiKorpipaa

.gitmodules

@@ -193,7 +193,7 @@
 	path = qtcharts
 	url = ../qtcharts.git
 	branch = dev
-	status = addon
+	status = deprecated
 [submodule "qtdatavis3d"]
 	depends = qtbase
 	recommends = qtdeclarative qtmultimedia