Since lightmap baking can take a very long time, printing the time
spent can be useful for users tweaking the lightmap settings
to optimize bake times.
Completing lightmap baking will also request attention, which is
useful if you're doing something else while waiting for lightmaps
to bake.
* GIProbe is now VoxelGI
* BakedLightmap is now LightmapGI
As godot adds more ways to provide GI (as an example, SDFGI in 4.0), the different techniques (which have different pros/cons) need to be properly named to avoid confusion.
