Update mergify.yml

Author: Bennu

.github/mergify.yml

@@ -67,7 +67,7 @@ pull_request_rules:
       - base=master
       - and:
         - -body~=\#[0-9]{1,6}(\s+|$)
-        - -body~=https://github.com/milvus-io/milvus/issues/[0-9]{1,6}(\s+|$)
+        - -body~=https://github.com/zilliztech/milvus-backup/issues/[0-9]{1,6}(\s+|$)
       - -label=kind/improvement
       - -title~=\[automated\]
     actions: