Bump minimum PHP version to 8.4

[simPod]

Summary

This pull request updates the project's minimum supported PHP version from 8.2 to 8.4 across all configuration files and CI/CD workflows.

Key Changes

• Updated composer.json to require PHP ^8.4 instead of ^8.2
• Updated CI workflow (ci.yml) to remove PHP 8.2 from the test matrix and use PHP 8.4 for the lowest dependencies test
• Updated coding standards workflow (coding-standards.yml) to use PHP 8.4
• Updated static analysis workflow (static-analysis.yml) to use PHP 8.4

Details

All GitHub Actions workflows now consistently use PHP 8.4 as the minimum version for running tests, code quality checks, and static analysis. This aligns the runtime requirement in composer.json with the actual versions being tested in CI.

https://claude.ai/code/session_01WEo1AogCFQGK9LjanVPZTo

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.00%. Comparing base (db97cf0) to head (bd45465).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #77   +/-   ##
=======================================
  Coverage   75.00%   75.00%           
=======================================
  Files           2        2           
  Lines          56       56           
=======================================
  Hits           42       42           
  Misses         14       14           

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