Create a new secondary index instead of altering existing

Editing the existing index failed with:
Resource handler returned message: "Cannot update GSI's properties other
than Provisioned Throughput and Contributor Insights Specification. You
can create a new GSI with a different name." (RequestToken:
b8bf0056-d503-81c6-ff7e-2801e104abed, HandlerErrorCode: InvalidRequest)

dynamo.cloudformation.yaml

@@ -85,6 +85,17 @@ Resources:
         StreamViewType: NEW_AND_OLD_IMAGES
       GlobalSecondaryIndexes:
         - IndexName: ios-endTimestamp-revalidation-index
+          KeySchema:
+            - AttributeName: subscriptionId
+              KeyType: HASH
+            - AttributeName: endTimestamp
+              KeyType: RANGE
+          Projection:
+            NonKeyAttributes:
+              - autoRenewing
+              - receipt
+            ProjectionType: INCLUDE
+        - IndexName: ios-endTimestamp-revalidation-index-with-platform
           KeySchema:
             - AttributeName: subscriptionId
               KeyType: HASH

typescript/src/revalidate-receipts/appleRevalidateReceipts.ts

@@ -67,7 +67,7 @@ export async function handler(event: ScheduleEvent) {
     const queryScan = dynamoMapper.scan(
         EndTimeStampFilterSubscription,
         {
-            indexName: 'ios-endTimestamp-revalidation-index',
+            indexName: 'ios-endTimestamp-revalidation-index-with-platform',
             filter: filter
         });