Aria-label not supported on specific div elements

[jessiehuff]

Describe the issue. What is the expected and unexpected behavior?
An axe issue was discovered on OpenShift's Installation Wizard for the OCS operator which then made us realize that this exists on the pf wizard as well. In the wizard body there is an aria-label on the <div> that isn't being supported. We should investigate how to fix this. This is also an issue on the alert component (also found from OpenShift's Installation wizard) so I imagine that there might be other places that this issue exists as well.

Please provide the steps to reproduce. Feel free to link CodeSandbox or another tool.
Run axe against this example for Wizard and this example for Alert.

Is this a bug or enhancement? If this issue is a bug, is this issue blocking you or is there a work-around?
bug

[nicolethoen]

This will require us to refactor the Alert unit tests, since they query by the Alert's aria-label