Bump the composer-dependencies group across 1 directory with 2 updates

Bumps the composer-dependencies group with 2 updates in the / directory: [wp-coding-standards/wpcs](https://github.com/WordPress/WordPress-Coding-Standards) and [phpstan/phpstan](https://github.com/phpstan/phpstan-phar-composer-source).


Updates `wp-coding-standards/wpcs` from 3.3.0 to 3.4.1
- [Release notes](https://github.com/WordPress/WordPress-Coding-Standards/releases)
- [Changelog](https://github.com/WordPress/WordPress-Coding-Standards/blob/develop/CHANGELOG.md)
- [Commits](WordPress/WordPress-Coding-Standards@3.3.0...3.4.1)

Updates `phpstan/phpstan` from 2.2.2 to 2.2.6
- [Commits](https://github.com/phpstan/phpstan-phar-composer-source/commits)

---
updated-dependencies:
- dependency-name: wp-coding-standards/wpcs
  dependency-version: 3.4.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: composer-dependencies
- dependency-name: phpstan/phpstan
  dependency-version: 2.2.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: composer-dependencies
...

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Author: dependabot[bot]