NodeJS and OS matrix

---

examples/workflows/nodejs-os-matrix.yml

name: CI

on: push

jobs:
  test:
    strategy:
      fail-fast: false
      matrix:
        runner: [ubuntu-latest, macos-latest, windows-latest]
        nodejs: [ 14.15, 12 ]

    runs-on: ${{matrix.runner}}
    name: OS ${{matrix.runner}} NodeJS ${{matrix.nodejs}}

    steps:
    - uses: actions/checkout@v3

    - name: Use Node.js ${{ matrix.nodejs }}
      uses: actions/setup-node@v1
      with:
        node-version: ${{ matrix.nodejs }}

    - name: Show NodeJS Version
      run: |
        node -v