Doc page tips for older versions sometime mention previous as stable and sometimes current as stable

[Anutrix]

Your Godot version: 3.2, 3.3, 3.4, 3.5, stable

Issue description: 3.1 page tip calls 3.0 and 2.1 stable. 3.2 page tip calls 3.1 previous stable. 3.3 page tip calls 3.2 previous stable. 3.4 page tip calls 3.3 current stable. 3.5 page tip calls 3.4 current stable. stable page tip calls 3.3(?) current stable.

This tip:

URL to the documentation page: https://docs.godotengine.org/en/3.1 https://docs.godotengine.org/en/3.2 https://docs.godotengine.org/en/3.3 https://docs.godotengine.org/en/3.4 https://docs.godotengine.org/en/3.5 https://docs.godotengine.org/en/stable