**Description:** The [Readme documentation](https://github.com/actions/setup-python/blob/main/README.md) references `actions/checkout@v3`. The latest version is `actions/checkout@v4`. **Action version:** Latest readme **Platform:** - N/A **Runner type:** - N/A **Tools version:** - N/A **Repro steps:** - N/A **Expected behavior:** Should model ideal behaviour - using the latest version. **Actual behavior:** Has out-dated reference.