fix(deps): update dependency roots/wordpress to v6.8

Author: renovate[bot]

composer.json

@@ -20,7 +20,7 @@
     "oscarotero/env": "^2.1",
     "roots/bedrock-autoloader": "^1.0.4",
     "roots/bedrock-disallow-indexing": "^2.0",
-    "roots/wordpress": "6.7.1",
+    "roots/wordpress": "6.8",
     "roots/wp-config": "1.0.0",
     "roots/wp-password-bcrypt": "1.1.0",
     "wpackagist-plugin/wordpress-importer": "^0.8.0",