Update minimum php version from 8.2 to 8.3

[Gared]

No description provided.

[github-actions]

🏰 Composer Production Dependency changes 🏰

Prod Packages	Operation	Base	Target	Link
php	Changed	>=8.2	>=8.3

[Copilot]

Pull request overview

This PR updates the minimum required PHP version from 8.2 to 8.3 across the project's configuration files and documentation. This is a standard maintenance update that ensures the project uses a more recent PHP version while maintaining compatibility with current and future PHP releases.

Changes:

• Updated minimum PHP version requirement from 8.2 to 8.3 in composer.json and composer.lock
• Updated documentation in README.md to reflect the new PHP 8.3 requirement
• Modified CI test matrix to remove PHP 8.2 and add PHP 8.5 testing

Reviewed changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

File	Description
composer.json	Updated PHP version requirement from >=8.2 to >=8.3
composer.lock	Regenerated lock file with updated PHP platform requirement and content-hash
README.md	Updated documentation to state PHP 8.3 is the minimum required version
.github/workflows/php.yml	Removed PHP 8.2 from test matrix and added PHP 8.5

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