v4
feat: add support for AWS European Sovereign Cloud ECR registries - Update ECR registry regex to match `.amazonaws.eu` domain suffix - Add test cases for `eusc-de-east-1.amazonaws.eu` region format
harden buildx scoped config path handling
docker hub oidc support
surface Docker Hub OIDC error responses
switch to ESM and update config/test wiring
Add scope input to set scopes for the authentication token