Experimental GitHub workflows refactor for Check

cmake.yml

name: Check CMake Buildsystem CI Workflow

on:
  push:
    branches: [ $default-branch ]
  pull_request:
    branches: [ $default-branch ]

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        config: [ Debug, Release ]
        os: [ macos-latest, ubuntu-latest ]
    steps:
    - uses: actions/checkout@v2
    - name: configure
      run: cmake . -DCMAKE_BUILD_TYPE=${{ matrix.config }}
    - name: make
      run: cmake --build . --config ${{ matrix.config }}
    - name: install
      run: cmake --install . --config ${{ matrix.config }}