chore(deps): update dependency laravel/pint to v1.13.7 (#57)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [laravel/pint](https://laravel.com)
([source](https://togithub.com/laravel/pint)) | `1.13.6` -> `1.13.7` |
[![age](https://developer.mend.io/api/mc/badges/age/packagist/laravel%2fpint/1.13.7?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/packagist/laravel%2fpint/1.13.7?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/packagist/laravel%2fpint/1.13.6/1.13.7?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/packagist/laravel%2fpint/1.13.6/1.13.7?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>laravel/pint (laravel/pint)</summary>

###
[`v1.13.7`](https://togithub.com/laravel/pint/blob/HEAD/CHANGELOG.md#v1137---2023-12-05)

[Compare
Source](https://togithub.com/laravel/pint/compare/v1.13.6...v1.13.7)

- Change default for nullable_type_declaration_for_default_null_value by
[@&#8203;otsch](https://togithub.com/otsch) in
[https://github.com/laravel/pint/pull/236](https://togithub.com/laravel/pint/pull/236)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Mend
Renovate](https://www.mend.io/free-developer-tools/renovate/). View
repository job log
[here](https://developer.mend.io/github/Lapotor/RadioRoster-api).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy44Ny4yIiwidXBkYXRlZEluVmVyIjoiMzcuODcuMiIsInRhcmdldEJyYW5jaCI6Im1haW4ifQ==-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

composer.json

@@ -15,7 +15,7 @@
     },
     "require-dev": {
         "fakerphp/faker": "1.23.0",
-        "laravel/pint": "1.13.6",
+        "laravel/pint": "1.13.7",
         "laravel/sail": "1.26.3",
         "mockery/mockery": "1.6.7",
         "nunomaduro/collision": "7.10.0",