Drop support for PHPUnit Polyfills v1

[swissspidy]

Drops support for yoast/phpunit-polyfills ^1.0, keeping constraints to ^2.0 || ^3.0 || ^4.0.

• wp-cli-tests requires PHP >=7.2.24, whereas yoast/phpunit-polyfills v2+ requires PHP 7.1+ and PHPUnit 7.0+.
• WP-CLI and its packages run on PHPUnit 7+, so legacy PHPUnit 4–6 polyfill support provided by v1 is no longer needed.

Summary by CodeRabbit

• Chores
  • Updated the supported PHPUnit polyfills version range to use newer compatible releases.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 937390f2-b572-49a6-b753-9be7d70f64f5

📥 Commits

Reviewing files that changed from the base of the PR and between 0af4e54 and 76475e6.

📒 Files selected for processing (1)

• composer.json

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📝 Walkthrough

Walkthrough

The Composer requirement for yoast/phpunit-polyfills now allows versions ^2.0, ^3.0, and ^4.0, removing support for ^1.0.

Changes

Dependency constraint

Layer / File(s)	Summary
Update PHPUnit polyfill constraint composer.json	The yoast/phpunit-polyfills requirement excludes version 1.x while retaining versions 2.x through 4.x.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Suggested reviewers: brianhenryie, ernilambar

🚥 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 summarizes the main change: removing PHPUnit Polyfills v1 support.
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.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/drop-phpunit-polyfills-v1

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_{Comment @coderabbitai help to get the list of available commands.}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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