9.0.0 release

What's Changed

🛠 Bug Fixes

• 🐞French translation is tagged as English by @Findeton in #335
• 🐞 master branch should be using master version number and not 8.0.0 by @edulix in sequentech/meta#136

🚀 New Features

• ✨dynamic position of invalid vote option by @Findeton in #336
• ✨different responses on timeout in voting booth by @Findeton in sequentech/epi#27

💥 Breaking Changes

• ✨ countdown until timeout by @Findeton in sequentech/epi#19
• ✨ voting-booth: Visual highlighting of ballot sheet zone by @edulix in sequentech/epi#7

🛡 Security Updates

• Security updates by @Findeton in sequentech/meta#135