Update roots/wordpress requirement from ^6.5.3 to ^6.5.4 (#442)

Updates the requirements on [roots/wordpress](https://github.com/roots/wordpress) to permit the latest version.
- [Release notes](https://github.com/roots/wordpress/releases)
- [Commits](roots/wordpress@6.5.3...6.5.4)

---
updated-dependencies:
- dependency-name: roots/wordpress
  dependency-type: direct:production
...

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composer.json

@@ -11,7 +11,7 @@
         "php": "^8.2",
         "composer/installers": "^2.2",
         "roots/bedrock-autoloader": "^1.0.4",
-        "roots/wordpress": "^6.5.3",
+        "roots/wordpress": "^6.5.4",
         "roots/wp-password-bcrypt": "^1.1",
         "symfony/http-foundation": "^7.1",
         "vinkla/headache": "^3.3",