Bump wp-coding-standards/wpcs from 2.3.0 to 3.4.1

Bumps [wp-coding-standards/wpcs](https://github.com/WordPress/WordPress-Coding-Standards) from 2.3.0 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@2.3.0...3.4.1)

---
updated-dependencies:
- dependency-name: wp-coding-standards/wpcs
  dependency-version: 3.4.1
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

composer.json

@@ -11,7 +11,7 @@
         "dealerdirect/phpcodesniffer-composer-installer": "^1.2.1",
         "squizlabs/php_codesniffer": "^3.5",
         "phpcompatibility/php-compatibility": "^9.3",
-        "wp-coding-standards/wpcs": "^2.2",
+        "wp-coding-standards/wpcs": "^3.4",
         "sirbrillig/phpcs-variable-analysis": "^2.8",
         "humbug/php-scoper": "^0.18.19"
     },