Update bug_report.yml

change default assignees

Author: walker27

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -4,7 +4,7 @@ title: '[Bug Report] **Please describe the bug shortly**'
 labels:
   - bug
 assignees:
-  - Keith-CY
+  - walker27
   - yanguoyu
 body:
   - type: markdown