update action

      with:

        node-version: '16'

    - name: Install Dependencies

      run: yarn install

    - name: Check yarn / node version

      run: |

        echo "yarn version `yarn --version`"

        echo "node version `node -v`"

    - name: Cache dependencies

      uses: actions/cache@v2

      with:

        path: ~/.npm

        key: npm-${{ hashFiles('package-lock.json') }}

        restore-keys: npm-

    - name: Install Dependencies

      run: yarn install

        yarn list --pattern vuepress

    - name: Build Site

      run: yarn docs:build