Updated README.md with packages versions

[AlexSkrypnyk]

This PR updates the "Included packages" section in README.md with the latest package versions from the Docker image.

Auto-generated by workflow

Summary by CodeRabbit

• Documentation
  • Updated PHP version reference in the included packages list.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: b9d8fbe5-2f39-4979-b428-d882cd9ecd4a

📥 Commits

Reviewing files that changed from the base of the PR and between ab3b423 and b877f73.

📒 Files selected for processing (1)

• README.md

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📝 Walkthrough

Walkthrough

The pull request updates the README.md file to document PHP version 8.4.21 in the "Included packages" section, replacing the previous version 8.4.20, and adds trailing blank lines near the end of the file.

Changes

README Version Documentation

Layer / File(s)	Summary
Documentation Updates README.md	PHP version bumped from 8.4.20 to 8.4.21 in the "Included packages" section; trailing blank lines added at end of file.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• drevops/ci-runner#345: Both PRs modify the README's "Included packages" section to update package version information (including a PHP version bump) and adjust trailing blank lines.
• drevops/ci-runner#323: Both PRs make the same kind of documentation change to README.md's "Included packages" (updating package versions and trailing blank lines).
• drevops/ci-runner#253: Both PRs modify README.md's "Included packages" section to update package versions and add trailing blank lines.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: updating README.md with package version updates (PHP 8.4.20 to 8.4.21).
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feature/update-readme-versions

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