Update pestphp/pest requirement from ^3.0 to ^4.0

Updates the requirements on [pestphp/pest](https://github.com/pestphp/pest) to permit the latest version.
- [Release notes](https://github.com/pestphp/pest/releases)
- [Changelog](https://github.com/pestphp/pest/blob/4.x/RELEASE.md)
- [Commits](pestphp/pest@v3.0.0...v4.0.3)

---
updated-dependencies:
- dependency-name: pestphp/pest
  dependency-version: 4.0.3
  dependency-type: direct:development
...

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

Author: dependabot[bot]

composer.json

@@ -20,7 +20,7 @@
         "php": "^8.3"
     },
     "require-dev": {
-        "pestphp/pest": "^3.0",
+        "pestphp/pest": "^4.0",
         "laravel/pint": "^1.0"
     },
     "autoload": {