chore: Update blunderbuss.yml (#344)

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Author: jrmfg

.github/blunderbuss.yml

@@ -1 +1,9 @@
+assign_prs:
+  - HKwinterhalter
+  - nifflets
+  - liuyunnnn
 
+assign_issues:
+  - HKwinterhalter
+  - nifflets
+  - liuyunnnn