Update pestphp/pest requirement from ^2.33 to ^3.1

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/3.x/RELEASE.md)
- [Commits](pestphp/pest@v2.33.0...v3.1.0)

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

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

composer.json

@@ -23,7 +23,7 @@
     },
     "require-dev": {
         "roave/security-advisories": "dev-latest",
-        "pestphp/pest": "^2.33",
+        "pestphp/pest": "^3.1",
         "mockery/mockery": "^1.5.1",
         "worksome/coding-style": "^2.8"
     },