[skip ci] Add new func of benchmark (#11094)

Signed-off-by: Nwangting0128 <ting.wang@zilliz.com>

tests/benchmark/milvus_benchmark/update.py

@@ -41,6 +41,19 @@ def get_tags(url, token):
         return []
 
 
+def get_master_tags(tags_list):
+    _list = []
+
+    if not isinstance(tags_list, list):
+        print("tags_list is not a list.")
+        return _list
+
+    for tag in tags_list:
+        if "master" in tag and tag != "master-latest":
+            _list.append(tag)
+    return _list
+
+
 def parse_server_tag(server_tag):
     """ paser server tag from server config"""
     # tag format: "8c"/"8c16m"/"8c16m1g"