feat: add mixins for enum array

[danielhe4rt]

This pull request introduces support for array-of-enum columns in database migrations, updates documentation to clarify usage, and expands compatibility with newer versions of Laravel. The key changes are grouped below by theme.

Feature Additions:

• Added a new enumerations method to the Blueprint mixin, enabling the creation of columns that store arrays of enum values. (src/Mixins/BlueprintExtensions.php)
• Added a corresponding typeEnumerations method to the GrammarExtensions mixin to handle the SQL type mapping for array-of-enum columns. (src/Mixins/GrammarExtensions.php)

Documentation Updates:

• Updated the README.md to show new usage patterns for both single enum and array-of-enum columns, including examples for the new methods. (README.md)
  Compatibility Improvements:

• Extended composer.json requirements to support Laravel v12 for both illuminate/database and illuminate/support. (composer.json)

[CodeLieutenant]

Great implementation, I didn't know that postgres even supported array of enums

Let's have some tests for this and I'll fix the pipeline, looks like it's broken now