v0.27.0-arabica

This release includes changes necessary for celestia-app v6 compatibility. It also reduces the storage window from 30 days to 7.

If bumping directly from v0.25.3-arabica to this release, please see release notes for v0.26.0-arabica that contain important changes + features.

What's Changed

• params(share/availability)!: Decrease storage window from 30 days to 7 days + 1 hour by @renaynay in #4521
• chore: bump celestia-app to v6 by @evan-forbes in #4503
• forward-port: config(nodebuilder/header): bumps go-header, removes trustingPeriod by @renaynay in #4529

Full Changelog: v0.26.0-arabica...v0.27.0-arabica