When running the action to run the acceptance tests, the step to install the AWS cli fails since there's already a version installed.
To prevent this from making the action fail, we invoke the installation script with the `--update' flag, so it will override the current version with the latest from Amazon.
When running the action to run the acceptance tests, the step to install the AWS cli fails since there's already a version installed.
To prevent this from making the action fail, we invoke the installation script with the `--update' flag, so it will override the current version with the latest from Amazon.