Update `js/mq_js_bundle.js` for file drop

[ShuP1]

not-fl3/miniquad#275 adds file drop with corresponding imports in js/gl.js but macroquad js/mq_js_bundle.js is outdated

[bbstilson]

This might be related to the error I'm getting:

From my index.html

[ShuP1]

Fixed by 51a7be9