Merge branch...

Merge branch '219025-danger-bot-shouldn-t-post-a-message-inviting-to-retry-when-it-s-the-only-message-posted' into 'master'

Only post the 'Retry' message when Danger has anything to say

Closes #219025

See merge request gitlab-org/gitlab!32983

Dangerfile

@@ -15,4 +15,8 @@ gitlab_danger.rule_names.each do |file|
   danger.import_dangerfile(path: File.join('danger', file))
 end
 
-markdown("**If needed, you can retry the [`danger-review` job](#{ENV['CI_JOB_URL']}) that generated this comment.**") if gitlab_danger.ci?
+anything_to_post = status_report.values.any? { |data| data.any? }
+
+if gitlab_danger.ci? && anything_to_post
+  markdown("**If needed, you can retry the [`danger-review` job](#{ENV['CI_JOB_URL']}) that generated this comment.**")
+end