[TASK] Update wrong copyright header in file BrowseLinks.php

A new header in PHP files has been introduced with #59535. This
patch updates the copyright/license header of one file, which still
uses the old, outdated information.

Resolves: #60482
Releases: 6.3, 6.2
Change-Id: I642a4ce13331e2aadbd362988b963a8a5c576a29
Reviewed-on: https://review.typo3.org/31731
Reviewed-by: Markus Klein <klein.t3@reelworx.at>
Tested-by: Markus Klein <klein.t3@reelworx.at>