typo in getting started -> step by step.

[ahliu2000]

Your Godot version: 4.0

Issue description:
Minor typo on instancing page. Currently reads:
"The tabel.tscn file from the previous lesson was an example."
tabel.tscn should be changed to label.tscn

URL to the documentation page:
https://docs.godotengine.org/en/stable/getting_started/step_by_step/instancing.html

[Piralein]

This was already fixed by #7414 in master.