Update qt5 wip/qt6

Bump qtwebengine sha1 and re-enable qtwebengine and qtwebview to
be built.

Change-Id: I5f9f57b1083629e4294b4a34b74780a862d9e873
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

.gitmodules

@@ -216,7 +216,7 @@
 	path = qtwebengine
 	url = ../qtwebengine.git
 	branch = wip/qt6
-	status = ignore
+	status = addon
 	priority = 10
 [submodule "qtcanvas3d"]
 	depends = qtdeclarative
@@ -230,7 +230,7 @@
 	path = qtwebview
 	url = ../qtwebview.git
 	branch = wip/qt6
-	status = ignore
+	status = addon
 [submodule "qtquickcontrols2"]
 	depends = qtgraphicaleffects
 	recommends = qtimageformats