Update RT to latest Starlight Version (#5671)

## Short description
<!-- What do you propose to change with your PR? -->

Wawa

actually just adds steam auth.

## Why we need to add this
<!-- What is the reason for adding these changes? Please post links to
Discussions as well as Bug Reports here. Please describe how this will
change the game balance. -->

Steam auth support.

## Checks
<!-- check boxes for faster reviewing of your PR -->

- [x] I do not require assistance to complete the PR.
- [x] Before posting/requesting review of a PR, I have verified that the
changes work.
- [x] I have added screenshots/videos of the changes, or this PR does
not change in-game mechanics.
- [x] I affirm that my changes are licensed under the [MIT
License](https://github.com/ss14Starlight/space-station-14/blob/Starlight/LICENSE.TXT)
and grant permission for use in this repository under its conditions.

**Changelog**
<!--
If you want the players to know about changes made in this PR, specify
them using the template outside the comment. Short and informative.

:cl: STARLIGHT TEAM
- add: Added Starlight.
- remove: Removed SS13.
- tweak: Changed SS14.
- fix: Fixed Rinary.
-->

:cl: Rinary
- add: Added.... First ever working implementation Steam authorization
in SS14.

Author: Rinary1