counters: count objects from more topics

Count all swh.journal.objects.* topics (except metadata ones)

Related to T3164

Test Plan

diff origin/production/counters0.internal.staging.swh.network current/counters0.internal.staging.swh.network
*******************************************
  File[/etc/softwareheritage/counters/journal_client.yml] =>
   parameters =>
     content =>
      @@ -10,5 +10,11 @@
         object_types:
         - content
      +  - directory
         - origin
      +  - origin_visit
      +  - origin_visit_status
      +  - release
         - revision
      +  - skipped_content
      +  - snapshot
      _
*******************************************
*** End octocatalog-diff on counters0.internal.staging.swh.network

---

Migrated from D5332 (view on Phabricator)