PHPLARA-133: Add support for Laravel 13 attributes

[paulinevos]

Ensures support for the new attributes added to Laravel in this PR: laravel/framework#58578 by adding passing tests for them

Checklist

• Add tests and ensure they pass

[Copilot]

Pull request overview

Adds coverage (and a small runtime adjustment) to ensure MongoDB Eloquent models correctly honor Laravel’s new Eloquent PHP attributes (as introduced upstream for Laravel 13), including behavior when using the DocumentModel trait.

Changes:

• Added a comprehensive ModelAttributesTest exercising #[Table], #[Connection], #[Fillable], #[Hidden], #[Visible], #[Guarded], #[Unguarded], #[Appends], #[Touches], and factory attributes.
• Introduced a set of minimal attributed test models/factory used by the new test suite.
• Updated DocumentModel to apply #[Table(..., keyType: ...)] to keyType when the property hasn’t been explicitly overridden by user code.

Reviewed changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
tests/Models/AttributedVisibleDocument.php	Adds a model using #[Visible] for test coverage.
tests/Models/AttributedUnguardedDocument.php	Adds a model using #[Unguarded] for test coverage.
tests/Models/AttributedTraitDocument.php	Adds an Eloquent base model using DocumentModel + #[Table] for trait coverage.
tests/Models/AttributedIntegerKeyDocument.php	Adds a model using #[Table(..., keyType: 'int')] for key-type coverage.
tests/Models/AttributedGuardedDocument.php	Adds a model using #[Guarded] for test coverage.
tests/Models/AttributedDocumentFactory.php	Adds a factory using #[UseModel] to verify factory/model attribute wiring.
tests/Models/AttributedDocument.php	Adds a model exercising multiple Laravel attributes end-to-end.
tests/Models/AttributedDeclaredKeyTypeDocument.php	Adds a model ensuring $keyType property overrides the attribute.
tests/Models/AttributedAuthor.php	Adds a related model for #[Touches] behavior verification.
tests/Eloquent/ModelAttributesTest.php	New test suite validating Laravel attribute behavior against MongoDB models.
src/Eloquent/DocumentModel.php	Ensures keyType can be derived from #[Table] when not explicitly overridden.

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[GromNaN]

If I understand correctly, only Table::$keyType wasn't supported because it's overridden in the trait. But you added tests to ensure that all attributes are supported. Perfect!