Merge pull request #288635 from MicrosoftDocs/release-aio-m3

AIO: Staging PR for M3 release - DO NOT MERGE - 10/31 - 3:00PM PST

Author: Albertyang0

.openpublishing.publish.config.json

@@ -236,6 +236,12 @@
             "branch": "main",
             "branch_mapping": {}
         },
+        {
+            "path_to_root": "azure-iot-operations-samples-m3",
+            "url": "https://github.com/Azure-Samples/explore-iot-operations",
+            "branch": "release-m3",
+            "branch_mapping": {}
+        },
         {
             "path_to_root": "azure-iot-sdk-node",
             "url": "https://github.com/Azure/azure-iot-sdk-node",