CCM-11026: Review comments

Author: chris-elliott-nhsd

lambdas/event-publisher/package.json

@@ -1,8 +1,8 @@
 {
   "dependencies": {
-    "@aws-sdk/client-dynamodb": "3.775.0",
-    "@aws-sdk/client-sns": "3.775.0",
-    "@aws-sdk/util-dynamodb": "3.775.0",
+    "@aws-sdk/client-dynamodb": "^3.864.0",
+    "@aws-sdk/client-sns": "^3.864.0",
+    "@aws-sdk/util-dynamodb": "^3.864.0",
     "@nhsdigital/nhs-notify-event-schemas-template-management": "*",
     "nhs-notify-backend-client": "^0.0.1",
     "nhs-notify-web-template-management-utils": "^0.0.1",