Patch muya/amazon-ecs-run-task to use updated set-output Command

The `save-state` and `set-output` commands have been marked as deprecated by GitHub: [GitHub Actions: Deprecating save-state and set-output commands](https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/)

Update the libraries & actions in this action to utilize updated commands.