Add Pest tests

[darinlarimore]

No description provided.

[Copilot]

Pull request overview

This PR adds comprehensive Pest test coverage to the Statamic Image Hotspots addon, along with CI/CD automation and code quality tooling. The tests validate fieldtype configuration, tag functionality, and edge case handling.

Key changes:

• Adds Pest test suite with unit tests for ImageHotSpots fieldtype and HotSpotImageTag
• Implements GitHub Actions CI workflow with linting and multi-version PHP testing
• Adds Laravel Pint for code style enforcement and fixes trailing comma inconsistencies

Reviewed changes

Copilot reviewed 14 out of 16 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
tests/Unit/ImageHotSpotsFieldtypeTest.php	Comprehensive unit tests for the ImageHotSpots fieldtype covering configuration, data processing, and augmentation
tests/Unit/HotSpotImageTagTest.php	Unit tests for the HotSpotImageTag covering context handling, field data extraction, and edge cases
tests/TestCase.php	Base test case class configuring Orchestra Testbench and Statamic environment for tests
tests/Pest.php	Pest configuration extending the TestCase class for unit tests
composer.json	Adds dev dependencies (Pest, Orchestra Testbench, Pint) and test/lint scripts
phpunit.xml	PHPUnit configuration for test execution and coverage
.github/workflows/ci.yml	CI workflow automating linting and testing across PHP 8.2, 8.3, and 8.4
src/Fieldtypes/ImageHotSpots.php	Fixes trailing comma code style issues
src/ServiceProvider.php	Alphabetizes import statements
src/GraphQL/HotspotType.php	Standardizes string quotes and alphabetizes imports
src/GraphQL/HotImageType.php	Standardizes string quotes and alphabetizes imports
src/Tags/HotSpotImageTag.php	Removes empty line
.nvmrc	Updates Node version from 16.8.0 to 22
README.md	Adds contributor credit for global field reference handling fix

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