v0.147.1

Security release, with a fix for Rails CVE-2026-66066.

What's Changed

🔒 Security 🔒

• Update Rails to fix CVE-2026-66066 by @Floppy in #6771

🌍 Internationalization 🌏

• Translations updated: de by @Floppy in #6770

🛠️ Other Improvements 🛠️

• Update the docker tzdata to 2026c-r0 by @MikeCoats in #6766