use literal script with template var instead of made up `phet-io.js` import language, https://github.com/phetsims/phet-io-wrappers/issues/299
use literal script with template var instead of made up `phet-io.js` import language, https://github.com/phetsims/phet-io-wrappers/issues/299

phetsims/chipper,phetsims/chipper,phetsims/chipper