[Koha] Release of Koha 20.11.12

Hi everyone 🤗 The Koha community is proud to announce the release of Koha 20.11.12 🚀 It is a maintenance release 🛠️ The full release notes are available here 📜 https://koha-community.org/koha-20-11-12-released/ The packages will soon be available 🌼 This month is beggin of new cycle 22.05. So this is my last release because I upgrade to Release Manager, see https://wiki.koha-community.org/wiki/Roles_for_22.05 Best regards 🌊 -- Fridolin SOMERS <fridolin.somers@biblibre.com> Software and system maintainer 🦄 BibLibre, France