React 19: Enabling react 19 features

[andrew-ronaldson]

##Goal
Following up on the React 19 migration initiative.

• Spike: Define what new features PatternFly could adopt to improve the PatternFly library.
• Spike: Research what features we will need to deprecate by moving off of React 17.
• Spike: Create expected code mods issues and link as sub-issues.

##References