Merge pull request #2980 from fabriziopandini/fix-issue-template

🏃Add area label to the issue template

Author: k8s-ci-robot

Diff for: .github/ISSUE_TEMPLATE/bug_report.md

@@ -22,4 +22,6 @@ about: Tell us about a problem you are experiencing
 - Kubernetes version: (use `kubectl version`):
 - OS (e.g. from `/etc/os-release`):
 
-/kind bug
+/kind bug
+[One or more /area label. See https://github.com/kubernetes-sigs/cluster-api/labels?q=area for the list of labels]
+