chore: Update translations (#1561)

Co-authored-by: Pranav Raj S <pranav@chatwoot.com>
Co-authored-by: Yovan Lutfi Arya (Regerta)
Co-authored-by: Goudarz Jafari (Goudarz)
Co-authored-by: korho
Co-authored-by: vfasoulas

config/locales/de.yml

@@ -30,6 +30,8 @@ de:
   reports:
     period: Reporting period %{since} to %{until}
   conversations:
+    messages:
+      deleted: This message was deleted
     activity:
       status:
         resolved: "Das Gespräch wurde von gelöst gelöst %{user_name}"