[Koha] Koha 19.11.11 released

Hello! The Koha community is proud to announce the release of Koha 19.11.11. Koha 19.11.11 is a security and bugfix/maintenance release including 2 security fixes, 15 bugfixes. The full release notes are available here: https://koha-community.org/koha-19-11-11-released/ -- *Aleisha Amohia*(she/her) Koha Developer Catalyst IT - Expert Open Source Solutions