Update 4d-tools.md #1671
  
    
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  | name: Jekyll Build | |
| on: | |
| push: | |
| branches: [ main ] | |
| pull_request: | |
| branches: [ main ] | |
| jobs: | |
| test: | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| ruby: [2.7.2, 3.0.0] | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v2 | |
| # caches and runs bundle automatically - see | |
| # https://github.com/ruby/setup-ruby#caching-bundle-install-automatically | |
| - uses: ruby/setup-ruby@v1 | |
| with: | |
| ruby-version: ${{ matrix.ruby }} | |
| bundler-cache: true | |
| - run: bundle exec jekyll build | |
| - run: _bin/run-all-checks.sh |