I created a fork of the GitHub repository and in a branch I added the following file to be ./github/workflows/ci.yml. (copied from the try-github-actions repository.

Once the changes were pushed out the instructions started to run on the servers of GitHub.

When I saw the tests passed I could send the Pull-Request.

examples/perl-dzil-for-graphics-toolkit-color.yml

name: Perl

on:
  push:
  pull_request:

jobs:
  test:
    strategy:
      fail-fast: false
      matrix:
        runner: [ubuntu-latest] # , macos-latest, windows-latest
        perl: [ '5.32' ]

    runs-on: ${{matrix.runner}}
    name: OS ${{matrix.runner}} Perl ${{matrix.perl}}

    steps:
    - uses: actions/checkout@v2

    - name: Set up perl
      uses: shogo82148/actions-setup-perl@v1
      with:
          perl-version: ${{ matrix.perl }}
          distribution: ${{ ( startsWith( matrix.runner, 'windows-' ) && 'strawberry' ) || 'default' }}

    - name: Show Perl Version
      run: |
        perl -v

    - name: Install Dist::Zilla
      run: |
        cpanm -v
        cpanm --notest Dist::Zilla

    - name: Install Modules
      run: |
        dzil authordeps --missing | cpanm --notest

    - name: Run tests
      run: |
        dzil test

    - name: Show Errors
      if:  ${{ failure() && startsWith( matrix.runner, 'windows-')}}
      run: |
         ls -l C:/Users/
         ls -l C:/Users/RUNNER~1/
         cat C:/Users/runneradmin/.cpanm/work/*/build.log