/usr/share/dirsrv/updates/ is in 389-ds-base 1.3.7.10-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/dirsrv/updates/10cleanupldapi.pl
/usr/share/dirsrv/updates/10delautodnsuffix.pl
/usr/share/dirsrv/updates/10fixrundir.pl
/usr/share/dirsrv/updates/20betxn.pl
/usr/share/dirsrv/updates/50AES-pbe-plugin.ldif
/usr/share/dirsrv/updates/50acctusabilityplugin.ldif
/usr/share/dirsrv/updates/50addchainingsaslpwroles.ldif
/usr/share/dirsrv/updates/50automemberplugin.ldif
/usr/share/dirsrv/updates/50bitstringsyntaxplugin.ldif
/usr/share/dirsrv/updates/50contentsync.ldif
/usr/share/dirsrv/updates/50deliverymethodsyntaxplugin.ldif
/usr/share/dirsrv/updates/50derefplugin.ldif
/usr/share/dirsrv/updates/50disableurisyntaxplugin.ldif
/usr/share/dirsrv/updates/50enhancedguidesyntaxplugin.ldif
/usr/share/dirsrv/updates/50entryusnindex.ldif
/usr/share/dirsrv/updates/50faxnumbersyntaxplugin.ldif
/usr/share/dirsrv/updates/50faxsyntaxplugin.ldif
/usr/share/dirsrv/updates/50fixNsState.pl
/usr/share/dirsrv/updates/50guidesyntaxplugin.ldif
/usr/share/dirsrv/updates/50linkedattrsplugin.ldif
/usr/share/dirsrv/updates/50managedentriesplugin.ldif
/usr/share/dirsrv/updates/50memberofindex.ldif
/usr/share/dirsrv/updates/50memberofplugin.ldif
/usr/share/dirsrv/updates/50nameuidsyntaxplugin.ldif
/usr/share/dirsrv/updates/50nstombstonecsn.ldif
/usr/share/dirsrv/updates/50numericstringsyntaxplugin.ldif
/usr/share/dirsrv/updates/50printablestringsyntaxplugin.ldif
/usr/share/dirsrv/updates/50refintprecedence.ldif
/usr/share/dirsrv/updates/50retroclprecedence.ldif
/usr/share/dirsrv/updates/50rootdnaccesscontrolplugin.ldif
/usr/share/dirsrv/updates/50schemareloadplugin.ldif
/usr/share/dirsrv/updates/50smd5pwdstorageplugin.ldif
/usr/share/dirsrv/updates/50syntaxvalidplugin.ldif
/usr/share/dirsrv/updates/50targetuniqueid.ldif
/usr/share/dirsrv/updates/50teletexterminalidsyntaxplugin.ldif
/usr/share/dirsrv/updates/50telexnumbersyntaxplugin.ldif
/usr/share/dirsrv/updates/50updateconfig.ldif
/usr/share/dirsrv/updates/50usnplugin.ldif
/usr/share/dirsrv/updates/52updateAESplugin.pl
/usr/share/dirsrv/updates/60removeLegacyReplication.ldif
/usr/share/dirsrv/updates/60upgradeconfigfiles.pl
/usr/share/dirsrv/updates/60upgradeschemafiles.pl
/usr/share/dirsrv/updates/70upgradefromldif.pl
/usr/share/dirsrv/updates/80upgradednformat.pl
/usr/share/dirsrv/updates/81changelog.pl
/usr/share/dirsrv/updates/82targetuniqueidindex.pl
/usr/share/dirsrv/updates/90subtreerename.pl
/usr/share/dirsrv/updates/91reindex.pl
/usr/share/dirsrv/updates/91subtreereindex.pl
/usr/share/dirsrv/updates/dnaplugindepends.ldif
/usr/share/dirsrv/updates/exampleupdate.ldif
/usr/share/dirsrv/updates/exampleupdate.pl
/usr/share/dirsrv/updates/exampleupdate.sh