add change file

Author: GarrettBeatty

.autover/changes/e65c21d6-7608-481f-8135-198a7ab8ad54.json

@@ -0,0 +1,11 @@
+{
+  "Projects": [
+    {
+      "Name": "Amazon.Lambda.TestTool",
+      "Type": "Patch",
+      "ChangelogMessages": [
+        "Add 6MB request and response size validation."
+      ]
+    }
+  ]
+}