AWS IoT Data Plane Update: Add endpoint ruleset support for cn-north-1.

Author: AWS

.changes/next-release/feature-AWSIoTDataPlane-d15d993.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "AWS IoT Data Plane",
+    "contributor": "",
+    "description": "Add endpoint ruleset support for cn-north-1."
+}