Zettat123 6b1010ad07 Fix potential panic caused by nil Step (#48)
```yml
jobs:
  job1:
    steps:
      - run: echo HelloWorld
      - # empty step
```

If a job contains an empty step, `Job.Steps` will have a nil element and will cause panic when calling `Step.String()`.

See [the code of gitea](948a9ee5e8/models/actions/task.go (L300-L301))

Reviewed-on: https://gitea.com/gitea/act/pulls/48
Co-authored-by: Zettat123 <zettat123@gmail.com>
Co-committed-by: Zettat123 <zettat123@gmail.com>
2023-04-21 14:45:38 +08:00
..
2023-03-16 11:45:29 +08:00
2022-11-16 21:29:45 +00:00