nozzle 3.0.12

What's New in 3.0.12

• DMG background, taller window, and accessibility onboarding for v3.0.12
• Update appcast.xml for version 3.0.12
• Fix DMG volicon quoting for icon names with spaces
• Fix DMG volicon: discover .icns dynamically from asset catalog
• Add DMG installer with drag-to-Applications to release workflow
• Update appcast.xml for version 3.0.11

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Full Changelog: v3.0.11...v3.0.12