Amazon Detective Update: Add support for Detective DualStack endpoints

Author: AWS

.changes/next-release/feature-AmazonDetective-dac9c43.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "Amazon Detective",
+    "contributor": "",
+    "description": "Add support for Detective DualStack endpoints"
+}