v0.71.0 – Upgrade flow: per-stack remove → deploy with detailed progress

What's Changed

🚀 Features

• feat(upgrade): run upgrade as per-stack remove then deploy with detailed progress @Wiesenwischer (#419)
• Plan upgrade flow as sequential remove then deploy @Wiesenwischer (#418)

📚 Documentation

• Plan upgrade flow as sequential remove then deploy @Wiesenwischer (#418)

Full Changelog: v0.70.0...v0.71.0