Add redirection for AOCP main page.

Author: aspreadbury

.openpublishing.redirection.json

@@ -1045,6 +1045,11 @@
       "redirect_url": "/azure/migrate/discover-and-assess-using-private-endpoints",
       "redirect_document_id": false
     },
+    {
+      "source_path": "articles/operator-call-protection/index.yml",
+      "redirect_url": "https://learn.microsoft.com",
+      "redirect_document_id": false
+    },
     {
       "source_path": "articles/operator-5g-core/index.yml",
       "redirect_url": "https://learn.microsoft.com",