Upgrade to MediaElement 2.16.2
https://github.com/johndyer/mediaelement/compare/2.15.1...2.16.2

Fixes #30281.

Built from https://develop.svn.wordpress.org/trunk@30634


git-svn-id: http://core.svn.wordpress.org/trunk@30624 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove an invalid parameter from the DocBlock for the `gallery_style` hook.

Props keesiemeijer.
Fixes #30507.

Built from https://develop.svn.wordpress.org/trunk@30635


git-svn-id: http://core.svn.wordpress.org/trunk@30625 1a063a9b-81f0-0310-95a4-ce76da25c4cd