zerver/migrations/0240_usermessage_migrate_bigint_id_into_id.py needs
to be updated to account for Django 4.1 creating AutoField as an
identity column rather than a serial column.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
We pass the realm_emoji dict to notify_realm_emoji instead
of computing it in notify_realm_emoji itself, because its
caller functions will require the dict in further commits
for creating RealmAuditLog entries.
Anders Kaseorg
Sahil Batra