ECR - Scan on push at the repository level deprecated

[fmmorais]

The plugin Amazon ECR Scan on Push is using ECR:describe-repositories.imageScanningConfiguration.scanOnPush to determine if Scan on Push is enabled in a repository. Nevertheless, repository level scan on push setting was deprecated in favor of Registry level scan on push filters.

'imageScanningConfiguration.scanOnPush' shouldn`t be used anymore to test if scan on push is enabled. Although at the repository level scanOnPush = False, at the registry level scanning might enabled and including repositories due to the values in the filters.

A new logic should be built based on the scan filters at the registry level.

'batch-get-repository-scanning-configuration.appliedScanFilters' would return the filters applied. One possible test is to verify if a wildcard "*" is used, which would include all repositories in the registry. Another logic would be applying the filter to the repository names to determine the ones excluded.