github: add labels to bug-report issue to better identify type

Add labels to bug-report issue to better identify type.
Also introduce label to-triage to better handle issue by CI actions.

Signed-off-by: Christian Marangi <[email protected]>

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -2,6 +2,8 @@ name: Bug report
 description: Create a bug report to help us improve
 labels:
   - bug
+  - bug-report
+  - to-triage
 body:
   - type: textarea
     id: description