質問 051

### Actionsの種類は3つあります。それは何ですか？ > https://docs.github.com/en/actions/creating-actions/about-custom-actions#types-of-actions 1. [x] `Docker container actions`、`JavaScript Actions`、`Composite Actions` 1. [ ] `Python Actions`、`JavaScript Actions`、`Custom Actions` 1. [ ] `Docker container Actions`、`JavaScript Actions`、`Custom Actions` 1. [ ] `Docker container actions`、`Java Actions`、`Composite Actions`