the documentation page on texture constants is missing a decription for RGBFormat

[pikilipita]

Description

in the doc, the page that describes in details the texture constants is missing a description for the RGBFormat

https://threejs.org/docs/#api/en/constants/Textures

[Mugen87]

RGBFormat is not officially supported anymore. Only in context of compressed textures.

See #23228.