Run with `working-directory` not supported

when run with working-directory produce error. Working-directory is not supported.
Ex:
      - name: MyStep
        uses: mathiasvr/command-output@v1
        with:
          working-directory: someDir
          run:  echo "Should work"

produce: Warning: Unexpected input(s) 'working-directory', valid inputs are ['run', 'shell']