Revert "Downgrade the web-animations-js to avoid https://github.com/web-animations/web-animations-js/issues/123"
Revert "Downgrade the web-animations-js to avoid https://github.com/web-animations/web-animations-js/issues/123"

This reverts commit fb962af431c38c9b92a0799fd51674c7d2cf2608.

reiaguilera/gdg.es,reiaguilera/gdg.es,GDGSpain/gdg.es,GDGSpain/gdg.es