…)` and `ContainerBuilder::findExcludedServiceIds()` for auto-discovering value-objects (GromNaN)

This PR was squashed before being merged into the 7.3 branch.

Discussion
----------

[DependencyInjection] Add `Definition::addExcludedTag()` and `ContainerBuilder::findExcludedServiceIds()` for auto-discovering value-objects

| Q             | A
| ------------- | ---
| Branch?       | 7.3
| Bug fix?      | no
| New feature?  | yes
| Deprecations? | no
| Issues        | -
| License       | MIT

We could **not** use the method `findTaggedServiceIds` in #59401 (comment), same for api-platform/core#6943.

As "using the container loading tools to do resource discovery quite seamlessly" [seems to be a good idea](#59401 (review)), this changes make it easier.

I'm not closed to alternative ideas if we want to go further with this use-case.

### Usage

Let's create a `AppModel` attribute class and use it on any class of the project.

In the extension class:
```php
$this->registerAttributeForAutoconfiguration(AppModel::class, static function (ChildDefinition $definition) {
    $definition->addExcludedTag('app.model');
});
```

In a compiler pass:
```php
$classes = [];
foreach($containerBuilder->findExcludedServiceIds('app.model') as $id => $tags) {
    $classes[] = $containerBuilder->getDefinition($id)->getClass();
}

$containerBuilder->setParameter('.app.model_classes', $classes);
```

And this parameter can be injected into a service, or directly update a service definition to inject this list of classes. The attribute parameters can be injected into the tag, and retrieved in the compiler pass, for more advanced configuration.

Commits
-------

7a0443b [DependencyInjection] Add `Definition::addExcludedTag()` and `ContainerBuilder::findExcludedServiceIds()` for auto-discovering value-objects