Update dependency squizlabs/php_codesniffer to v4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
squizlabs/php_codesniffer	^3.11 -> ^4.0

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Release Notes

PHPCSStandards/PHP_CodeSniffer (squizlabs/php_codesniffer)

v4.0.0: - 2025-09-16

Compare Source

This release contains breaking changes.

Upgrade guides for both ruleset maintainers/end-users, as well as for sniff developers and integrators, have been published to the Wiki.

You are strongly encouraged to read the upgrade guide applicable to your situation before upgrading.

This release includes all improvements and bugfixes from PHP_CodeSniffer 4.0.0-beta1, 4.0.0-RC1, 3.13.3 and 3.13.4.

Changed

• Tokenizer/PHP: fully qualified exit/die/true/false/null will be tokenized as the keyword token and the token 'content' will include the leading backslash. #​1201
• Wherever possible based on the PHP 7.2 minimum version, parameter types have been added to all methods. #​1237
• The supported PHPUnit version constraints have been updated to ^8.4.0 || ^9.3.4 || ^10.5.32 || 11.3.3 - 11.5.28 || ^11.5.31. #​1247
  • External standards using the PHP_CodeSniffer native framework may need to update their own PHPUnit version constraints.
• Various housekeeping, including improvements to the tests and documentation.

Fixed

• Fixed bug #​1082: new exit codes weren't applied when running phpcbf on code provided via STDIN.
  • Thanks to Dan Wallis for the patch.
• Fixed bug #​1172: // phpcs:set for inline array properties did not handle a single item array with the value true, false or null correctly.
• Fixed bug #​1174: progress bar wasn't showing files as fixed when running phpcbf in parallel mode.
• Fixed bug #​1226: PHP 8.5 "Using null as an array offset" deprecation notice.

Other

• Please be aware that the master branch has been renamed to 3.x and the default branch has changed to the 4.x branch.
  • If you contribute to PHP_CodeSniffer, you will need to update your local git clone.
  • If you develop against PHP_CodeSniffer and run your tests against dev branches of PHPCS, you will need to update your workflows.

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Statistics

Closed: 5 issues
Merged: 35 pull requests

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.72%. Comparing base (c940232) to head (2264ecf).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main      #22   +/-   ##
=========================================
  Coverage     88.72%   88.72%           
  Complexity      671      671           
=========================================
  Files            48       48           
  Lines          1588     1588           
=========================================
  Hits           1409     1409           
  Misses          179      179           

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