Test prereleases in OCP

[nicolethoen]

• pull in any prerelease and identify / resolve breaking changes
• turn on the unified theme
  • determine changes needed to render unified theme correctly in console
  • determine gap for console plugins using older PF6 version - do they inherit the new theme well?
  • Especially look at Observability - how does the perses dashboard look in the theme?

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Jira Issue: PF-3690