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

Fixes #30281.


git-svn-id: https://develop.svn.wordpress.org/trunk@30634 602fd350-edb4-49c9-b593-d223f7449a82
Remove an invalid parameter from the DocBlock for the `gallery_style` hook.

Props keesiemeijer.
Fixes #30507.


git-svn-id: https://develop.svn.wordpress.org/trunk@30635 602fd350-edb4-49c9-b593-d223f7449a82