AWS SecurityHub Update: Documentation updates for Security Hub

Author: AWS

.changes/next-release/feature-AWSSecurityHub-e0d11b8.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "AWS SecurityHub",
+    "contributor": "",
+    "description": "Documentation updates for Security Hub"
+}