Consume tokens: Alert and hint

[srambach]

Figma design for alert

Figma design for hint

### Tasks
- [ ] https://github.com/patternfly/patternfly/issues/5996
- [ ] https://github.com/patternfly/patternfly/issues/5997

[stale]

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