Fix (unreported) missing updates in scripts/docs after scene.update() removal.

This should really have been done together with API changes, simple
usage of grep does the trick to catch most places needing updates.

tests/python/view_layer/test_evaluation_selectability_d.py

@@ -37,12 +37,12 @@ class UnitTesting(ViewLayerTesting):
         layer_collection_kid = layer.collections.link(scene_collection_kid)
 
         layer_collection_mom.enabled = True
-        bpy.context.scene.update()  # update depsgraph
+        bpy.context.view_layer.update()  # update depsgraph
 
         cube.select_set(True)
         layer_collection_mom.collections[layer_collection_kid.name].selectable = False
 
-        bpy.context.scene.update()  # update depsgraph
+        bpy.context.view_layer.update()  # update depsgraph
         self.assertTrue(cube.visible_get(), "Cube should be visible")
         self.assertTrue(cube.select_get(), "Cube should be selected")