[TASK] Update friendsofphp/php-cs-fixer to 2.16.1

    composer require --dev friendsofphp/php-cs-fixer:"^2.16.1"

Raising the version brings support for running the fixer with
PHP 7.4.

Releases: master, 9.5, 8.7
Resolves: #89776
Change-Id: Ib065b38c606f17c8e58a684e819cc555e493a91f
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/62433


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Tobi Kretschmann <tobi@tobishome.de>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Tobi Kretschmann <tobi@tobishome.de>
Reviewed-by: Benni Mack <benni@typo3.org>