Include task ID in DONE message for OSBS phase

Again, composetracker expects the message in this format.

Signed-off-by: Adam Williamson <awilliam@redhat.com>
(cherry picked from commit b6cfd8c5d4)

pungi/phases/osbs.py

@@ -154,7 +154,7 @@ class OSBSThread(WorkerThread):
             reuse_file,
         )
 
-        self.pool.log_info("[DONE ] %s" % msg)
+        self.pool.log_info("[DONE ] %s (task id: %s)" % (msg, task_id))
 
     def _get_image_conf(self, compose, config):
         """Get image-build.conf from git repo.