feat!/auth-step-parameter

[brivu]

This PR adds the auth parameter to the build-and-push job, requiring users to customize their authentication method by importing the aws-cli orb and using the aws-cli/setup command to authenticate using static AWS keys or a valid role-arn for OIDC.

[orb-publisher]

Your development orb has been published. It will expire in 30 days.
You can preview what this will look like on the CircleCI Orb Registry at the following link:
https://circleci.com/developer/orbs/orb/circleci/aws-ecr?version=dev:62d4dea922aefbdbc42cf7314a3ed8d9cedcb76e

[orb-publisher]

Your development orb has been published. It will expire in 30 days.
You can preview what this will look like on the CircleCI Orb Registry at the following link:
https://circleci.com/developer/orbs/orb/circleci/aws-ecr?version=dev:208c15431995bd67b559417bd2f4bd830667537a

[orb-publisher]

Your development orb has been published. It will expire in 30 days.
You can preview what this will look like on the CircleCI Orb Registry at the following link:
https://circleci.com/developer/orbs/orb/circleci/aws-ecr?version=dev:0daa29d32983b494dea79475bd4fc4026445ae4c