Return correct exit code on exceptions

[LachlanArthur]

This PR modifies the behaviour of the --execute option to have it return an exit code of 1 when an exception is thrown.

Currently all exceptions are caught and rendered by Psysh internally, which makes it difficult to determine whether the command succeeded.

[GrahamCampbell]

This should be targeted to 3.x, since it is breaking. We could take the opportunity to drop old PHP versions there (not in this PR), and then make tinker 3.x the default in Laravel 11.

[GrahamCampbell]

I was thinking something like:

        "php": "^8.1",
        "illuminate/console": "^10.0|^11.0",
        "illuminate/contracts": "^10.0|^11.0",
        "illuminate/support": "^10.0|^11.0",
        "psy/psysh": "^0.11.18",
        "symfony/var-dumper": "^6.2|^7.0"

for 3.x, so Laravel 10 users can still upgrade early if they want.

[taylorotwell]

@GrahamCampbell can you help us with this then?

[GrahamCampbell]

Sure. I can sync up with you and Dries in slack over the next few days.

[driesvints]

@LachlanArthur feel free to send this to master 👍