title: How to set the docker user in Github Actions
body: <p>The following is my yml file for Github Actions. I want to set the user of the docker to root for the following via the docker options (<code>--user root</code>) . How can I do this via Github Actions?</p>
  
  <pre><code>name: CI
  
  on: [push]
  
  jobs:
    build:
  
      runs-on: ubuntu-latest
  
      steps:
      - name: run zap
        uses: docker://sshniro/zap_action
        with:
          args: zap-baseline.py -t https://www.example.com
  </code></pre>
  
  <p>Thanks in Advance.</p>