Update lucatume/wp-browser requirement from ~4.5.6 to ~4.5.7

Updates the requirements on [lucatume/wp-browser](https://github.com/lucatume/wp-browser) to permit the latest version.
- [Release notes](https://github.com/lucatume/wp-browser/releases)
- [Changelog](https://github.com/lucatume/wp-browser/blob/master/CHANGELOG.md)
- [Commits](lucatume/wp-browser@4.5.6...4.5.7)

---
updated-dependencies:
- dependency-name: lucatume/wp-browser
  dependency-version: 4.5.7
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

composer.json

@@ -22,7 +22,7 @@
 		"wp-phpunit/wp-phpunit": "6.8.1",
 		"yoast/phpunit-polyfills": "^4.0.0",
 		"phpunit/phpunit": "~9.6",
-		"lucatume/wp-browser": "~4.5.6",
+		"lucatume/wp-browser": "~4.5.7",
 		"codeception/module-asserts": "~3.2",
 		"codeception/module-phpbrowser": "~3.0",
 		"codeception/module-webdriver": "~3.0",