[Koha] Koha versions 23.05.02, 22.11.08, 22.05.15 and 21.11.23 released

[Tomas Cohen Arazi]

The Koha community is proud to announce the latest releases of the current
stable, oldstable, oldoldstable and lts versions of the software.

This is a security and maintenance release on all branches, so please update
at the earliest opportunity.

As always, you can update using the already available packages, or download
the release from https://download.koha-community.org

Thank you very much to all release maintainers and the whole team involved
in this release.

Release notes for respective branches are available online now at:

 * https://koha-community.org/koha-23-05-02-released/
 * https://koha-community.org/koha-22-11-08-released/
 * https://koha-community.org/koha-22-05-15-released/
 * https://koha-community.org/koha-21-11-23-released/

-- 
Tomás Cohen Arazi
Theke Solutions (https://theke.io)
✆ +54 9351 3513384
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