Add agent token field

Closes #1897 (closed)

arkindex/system_workers.yml

@@ -10,7 +10,7 @@ features:
         image: registry.gitlab.teklia.com/arkindex/workers/init-elements:0.1.1
         command: worker-init-elements
     s3_ingest:
-        image: registry.gitlab.teklia.com/arkindex/workers/import/s3:0.2.0-rc4
+        image: registry.gitlab.teklia.com/arkindex/workers/import/s3:0.2.0-rc5
     pdf_export:
         teklia_worker:
             name: arkindex/workers/export