Update dependency squizlabs/php_codesniffer to v4

[renovate]

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This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
squizlabs/php_codesniffer	^3.9 -> ^4.0

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Release Notes

PHPCSStandards/PHP_CodeSniffer (squizlabs/php_codesniffer)

v4.0.0

Compare Source

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, check this box

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[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: composer.lock

Command failed: composer update squizlabs/php_codesniffer:4.0.0 --with-dependencies --ignore-platform-req='ext-*' --ignore-platform-req='lib-*' --no-ansi --no-interaction --no-scripts --no-autoloader --no-plugins --minimal-changes
Loading composer repositories with package information
Updating dependencies
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Root composer.json requires squizlabs/php_codesniffer ^4.0, found squizlabs/php_codesniffer[4.0.0] but these were not loaded, likely because it conflicts with another require.
  Problem 2
    - slevomat/coding-standard is locked to version 8.22.1 and an update of this package was not requested.
    - slevomat/coding-standard 8.22.1 requires squizlabs/php_codesniffer ^3.13.4 -> found squizlabs/php_codesniffer[3.13.4] but it conflicts with your root composer.json require (^4.0).

Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.98%. Comparing base (ca1e782) to head (b5d1e16).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #1203   +/-   ##
=========================================
  Coverage     99.98%   99.98%           
  Complexity     3337     3337           
=========================================
  Files           580      580           
  Lines          9910     9910           
=========================================
  Hits           9909     9909           
  Misses            1        1           

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