update version of jqueryui

[taicomjp]

The jqueryuilibrary is available on cdnjs at https://cdnjs.com/libraries/jqueryui

However the latest version available is 1.13.1
The latest version available at https://github.com/openlayers/jqueryui/ is 1.12.1

Requesting the latest version to be available on cdnjs

[MattIPv4]

👋 As noted in #889, jQuery UI is not distributed in a way that cdnjs can pull in. We have asked their team to provide a distribution that we could use (git tags, or an NPM package).