[TASK] Update PHPStan & friends

PHPStan 1.9.3 finds another potential problem and brings
some performance improvements.

Run commands:

> composer req --dev phpstan/phpstan:^1.9.3
> composer req --dev phpstan/phpstan-phpunit:^1.3.1
> ./Build/Scripts/runTests.sh -s phpstanGenerateBaseline

Resolves: #99356
Releases: main, 11.5
Change-Id: I9d1429949379cc35518fad6750d6d063827623ed
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/77124


Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>