[breaking change detector] add allowlist for ARM SDK (Azure#37309)

* add allowlist for ARM SDK

* Update breaking_changes_allowlist.py

Author: msyyc

scripts/breaking_changes_checker/breaking_changes_allowlist.py

@@ -37,5 +37,18 @@
         ("RemovedOrRenamedPositionalParam", "*", "*", "__init__", "config"),
         ("RemovedOrRenamedPositionalParam", "*", "*", "__init__", "serializer"),
         ("RemovedOrRenamedPositionalParam", "*", "*", "__init__", "deserializer"),
+        # compared with msrest model, new DPG model is inherited from dict so we shall ignore some methods(e.g get/keys/items/values/...)
+        ("AddedClassMethod", "*", "*", "clear"),
+        ("AddedClassMethod", "*", "*", "copy"),
+        ("AddedClassMethod", "*", "*", "get"),
+        ("AddedClassMethod", "*", "*", "items"),
+        ("AddedClassMethod", "*", "*", "keys"),
+        ("AddedClassMethod", "*", "*", "pop"),
+        ("AddedClassMethod", "*", "*", "popitem"),
+        ("AddedClassMethod", "*", "*", "setdefault"),
+        ("AddedClassMethod", "*", "*", "update"),
+        ("AddedClassMethod", "*", "*", "values"),
+        ("AddedClassMethodParameter", "*", "*", "args", "__init__"),
+        ("AddedClassMethodParameter", "*", "*", "exclude_readonly", "as_dict"),
     ]
 }