Design Tokens W3 Community Format Update

## Description

[All format properties](https://second-editors-draft.tr.designtokens.org/format/#name-and-value) are now prefixed with $, as in: type → $type, value → $value...

## Why do you need this feature?
Tokens Format is outdated.

## Additional context
https://www.w3.org/community/design-tokens/
