* Support generation of code coverage generation
* Remove useless caching within GitHub
* Add TYPO3 11.5 within CI
* Update phpstan
Replace friendsoftypo3/phpstan-typo3 with saschaegerer/phpstan.
The friendsoftypo3 is intended for TYPO3 itself, while saschaegerer is
intended for community.
Also update all related packages.
Fix some new findings and update baseline.
* Run composer none interactive in CI
* Remove dependency checker
* Migrate tests to no longer use legacy dependencies
* https://forge.typo3.org/issues/97479
* Fix phpstan findings
