Configure global exception/error handlers checks #5888
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This makes #5619 configurable and potentially mitigates symfony/symfony#53812 (comment).
On one hand I agree that not releasing error_handlers is probably a mistake, on the other it's cpu intensive to add/remove handlers and is something that you should be able to disable.
Let me know your thought, I'm not sure how this is tested on the phpunit code base and I didn't wanted to do too much in case this is a bad idea, thanks!