Update pr assignment config (Azure#23398)

* Added PR assignee back

* Revert package.lock.json

* Revert package.json

Author: raych1

.github/pull_request_assignment.yml

@@ -85,6 +85,7 @@
       - haolingdong-msft
       - XiaofeiCao
       - MaryGao
+      - qiaozha
 
 - rule:
     paths:
@@ -197,6 +198,11 @@
     reviewers:
       - MaryGao
 
+- rule:
+    paths: "specification/@(containerservice|paloaltonetworks)/**"
+    reviewers:
+      - qiaozha
+
 - rule:
     paths:
       - "documentation/**"
@@ -230,3 +236,4 @@
       - haolingdong-msft
       - XiaofeiCao
       - MaryGao
+      - qiaozha