Update Bug issue template to use Bug issue type (#17540)

Same for Feature issue template.

Author: findepi

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,5 +1,6 @@
 name: Bug report
 description: Create a report to help us improve
+type: Bug
 labels: bug
 body:
   - type: textarea

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,5 +1,6 @@
 name: Feature request
 description: Suggest an idea for this project
+type: Feature
 labels: enhancement
 body:
   - type: textarea