net-im/ejabberd: Fix for lang/erlang update to 24.x

While here, also add the SQL files for other RDBMS supported
by ejabberd

PR: 259067
Reported by: Marko Cupać <marko dot cupac at mimar dot rs>
MFH: 2021Q4

(cherry picked from commit 94973bbbe379378b11aa53d9a43e4cb807c4b466)