Scope: update the tokens for borders and border radii. also update to brand icons.

Follow up issues created to capture:

• focus style ring updates
• new read only variants

Figma Link

https://www.figma.com/design/qRn3S225WwGHIdgGZX0LTC/Unified-Theme--Design-Tokens--Styles---Specs?node-id=9559-14250&p=f&m=dev

Jira/GitHub Ticket Link

TBD

Design Screenshot

Jira Issue: PF-3563