Add Symfony 7 compatibility

[daften]

Now this causes issues on Drupal 11.1 because Symfony 7.2 is needed and this package is not compatible with that.

[Jelle-S]

Right now this is blocked by gordalina/cachetool#238 because robo-digipolis-deploy depends on it.

[daften]

True, but support could be built in here and in a repo a fork could be added "as gordalina/cachetool" to allow updating :)

[Jelle-S]

@daften could you try 5.0.0-alpha1?

[daften]

There's some more issues for the full chain:

• digipolisgent/robo-digipolis-drupal8 still requires digipolisgent/robo-digipolis-helpers ^4
• digipolisgent/robo-drush and digipolisgent/robo-digipolis-package-drupal8 don't allow consolidation/robo ^5, which prevents symfony 7 compatibility
• digipolisgent/robo-drush doesn't allow drush 13
• digipolisgent/robo-digipolis-package-drupal8 has 2.0.0-alpha1, but that's not released on packagist

In the end this repositories part for composer.json with the command below worked for me:

        "robo-drush": {
            "type": "vcs",
            "url": "https://github.com/daften/robo-drush.git"
        },
        "cachetool": {
            "type": "vcs",
            "url": "https://github.com/Chris53897/cachetool.git"
        },
        "robo-digipolis-package-drupal8": {
            "type": "vcs",
            "url": "https://github.com/district09/robo-digipolis-package-drupal8.git"
        }

composer require digipolisgent/robo-digipolis-drupal8:4.0.9 digipolisgent/robo-digipolis-helpers:"5.0.0-alpha1 as 4.1.1" digipolisgent/robo-drush:"dev-feature/update as 5.1.0" gordalina/cachetool:"dev-feature/symfony-7 as 9.2.1" digipolisgent/robo-digipolis-package-drupal8:"2.0.0-alpha1 as 1.0.1" consolidation/robo:^5 -W --verbose

I didn't open a PR, because one test for robo-drush fails and I didn't have time to fix it yet, could just be phpunit upgrades I did that caused it too, it's because of a change in phpunit 10.