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

Updates the requirements on [yoast/phpunit-polyfills](https://github.com/Yoast/PHPUnit-Polyfills) and [phpcsstandards/php_codesniffer](https://github.com/PHPCSStandards/PHP_CodeSniffer) to permit the latest version.

Updates `yoast/phpunit-polyfills` to 4.0.0
- [Release notes](https://github.com/Yoast/PHPUnit-Polyfills/releases)
- [Changelog](https://github.com/Yoast/PHPUnit-Polyfills/blob/4.x/CHANGELOG.md)
- [Commits](Yoast/PHPUnit-Polyfills@2.0.0...4.0.0)

Updates `phpcsstandards/php_codesniffer` to 4.0.1
- [Release notes](https://github.com/PHPCSStandards/PHP_CodeSniffer/releases)
- [Changelog](https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/4.x/CHANGELOG-4.x.md)
- [Commits](PHPCSStandards/PHP_CodeSniffer@4.0.0...4.0.1)

---
updated-dependencies:
- dependency-name: yoast/phpunit-polyfills
  dependency-version: 4.0.0
  dependency-type: direct:development
  dependency-group: dev-dependencies
- dependency-name: phpcsstandards/php_codesniffer
  dependency-version: 4.0.1
  dependency-type: direct:development
  dependency-group: dev-dependencies
...

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

Author: dependabot[bot]

composer.json

@@ -15,8 +15,8 @@
   },
   "require-dev": {
     "phpunit/phpunit": "^9.0",
-    "yoast/phpunit-polyfills": "^2.0",
-    "phpcsstandards/php_codesniffer": "4.0",
+    "yoast/phpunit-polyfills": "^4.0",
+    "phpcsstandards/php_codesniffer": "4.0.1",
     "wp-coding-standards/wpcs": "^3.3",
     "phpcsstandards/phpcsextra": "^1.5",
     "dealerdirect/phpcodesniffer-composer-installer": "^1.2",