Minor updates

[patinthehat]

• Update dependencies
• Add RayScreenColors class to Ray class as a mixin
• Update docs

[what-the-diff]

## PR Summary

* **Added a new RayScreenColors class**
New class RayScreenColors has been added to manage screen colors.
* **Implemented screenColor() method in RayScreenColors**
A new method, screenColor(), has been added to handle screen color changes.
* **Removed deprecated methods and updated references**
Replaced usage of deprecated methods (showWhen(), removeIf(), and ifNot()) with the recommended "if" statement, and updated all references accordingly.