fix: (aurora-data-api) get correct increment primary key for multiple entities inserted

[coyoteecd]

Closes: #7385

Propagate the same fix that was done mysql to the Aurora Data API driver implementation.
This will make the InsertResult.identifiers property contain the correct IDs for bulk-inserts.

Pull-Request Checklist

• Code is up-to-date with the master branch
• npm run lint passes with this change (already fails on my machine in other places)
• npm run test passes with this change
• This pull request links relevant issues as Fixes #0000
• There are new or updated unit tests validating the change
• Documentation has been updated to reflect this change N/A
• The new commits follow conventions explained in CONTRIBUTING.md

[AlexMesser]

thank you for contribution!