dead catch reported in unserialize()

### Bug report

`unserialize()` can throw exceptions when the classes it unserializes throw in `__wakeup()` or `__unserialize()`

### Code snippet that reproduces the problem

https://phpstan.org/r/29a1ea60-97d4-4b6a-aece-ecf906ed61c7

https://3v4l.org/fFikH#v

### Expected output

no error

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