Update jQuery UI to 1.11.4.
Changelog:
* https://jqueryui.com/changelog/1.11.4/
* https://github.com/jquery/jquery-ui/compare/1.11.3...1.11.4
props scott.gonzalez for arranging this release.
fixes #31597, #30998.
Built from https://develop.svn.wordpress.org/trunk@31716
git-svn-id: http://core.svn.wordpress.org/trunk@31697 1a063a9b-81f0-0310-95a4-ce76da25c4cd
