v0.3.4

This is a patch release to v0.3.3 that includes some selected fixes.

What's Changed

• Fix caching on Docker image to avoid old builds being served (#844)
• Use IndexedDB storage in development mode (#843)
• Disable keyboard shortcuts when feedback modal is open (#845)
• Prevent mute event spam from key repeats (#846)
• Log undecryptable to-device events (#848)

Full Changelog: v0.3.3...v0.3.4