As @Retired_mod said, you just need to change authentication to token in your template or just change deployment to AWS::IAM::Role which has access.
You can also consider switching to Terraform.
If you want to copy files in Azure, ADF is usually the fastest option (for example TB of csvs, parquets). If you want to copy tables, just use CLONE. If it is files with code just use Repos and branches.
Remember that keys are for information purposes (they don't validate data integrity). They are used for information in a few places (Feature tables, online tables, PowerBi modelling). The best is to define them in CREATE TABLE syntax, for example:CRE...
