docker-compose.search.yml: Specify the search journal client config

This adds the `object_types` entry which is now mandatory.

Related to D4701

docker/conf/search_journal_client_objects.yml

@@ -4,6 +4,10 @@ search:
 journal:
   brokers:
     - kafka
-  group_id: swh.search.journal_client.objects
+  group_id: swh.search.journal_client
   prefix: swh.journal.objects
+  object_types:
+    - origin
+    - origin_visit
+    - origin_visit_status
 

[Phabricator Migration user]

Some references in the commit message have been migrated:

• D4701 is now swh-search!124 (closed)