[TASK] Raise `phpstan/phpstan`

This change requires PHPStan on the current
newest version.

Note: In v12 the phpstan baseline is regenerated
to adopt for changed reporting behaviour.

Used command(s):

  composer req --dev "phpstan/phpstan":"^1.11.5"

Resolves: #104136
Releases: main, 12.4
Change-Id: I7f88c4c3942e22e1536e12a883411f66a3eee3ad
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/84743


Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>