S3cmd easy tool for Forgejo Actions

It's just a light packaging over s3cmd installed from alpine base image.

deploy-s3:
  runs-on: ubuntu-latest
  steps:
    - uses: actions/checkout@v4
    - uses: https://git.fsl.sh/actions/s3cmd.git@833dc519f432000591e071da368a4fcd3086d6c1
      with:
        args: sync dist/ s3://test-ci-forgejo-fsl --delete-removed
      env:
        AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
        AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
        AWS_S3_ENDPOINT: objects.fslhome.org
        AWS_REGION: "garage"