This renames `bpy.data.grease_pencils_v3` to `bpy.data.grease_pencils`. Part of #125058. Pull Request: https://projects.blender.org/blender/blender/pulls/146904
This renames `bpy.data.grease_pencils_v3` to `bpy.data.grease_pencils`. Part of #125058. Pull Request: https://projects.blender.org/blender/blender/pulls/146904