Update dependency phpunit/phpunit to ^10.5.9 (#578)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [phpunit/phpunit](https://phpunit.de/)
([source](https://togithub.com/sebastianbergmann/phpunit)) | `^10.5.8`
-> `^10.5.9` |
[![age](https://developer.mend.io/api/mc/badges/age/packagist/phpunit%2fphpunit/10.5.9?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/packagist/phpunit%2fphpunit/10.5.9?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|
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|

---

### Release Notes

<details>
<summary>sebastianbergmann/phpunit (phpunit/phpunit)</summary>

###
[`v10.5.9`](https://togithub.com/sebastianbergmann/phpunit/compare/10.5.8...10.5.9)

[Compare
Source](https://togithub.com/sebastianbergmann/phpunit/compare/10.5.8...10.5.9)

</details>

---

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composer.json

@@ -35,7 +35,7 @@
     "phpstan/phpstan-deprecation-rules": "^1.1.4",
     "phpstan/phpstan-phpunit": "^1.3.15",
     "phpstan/phpstan-strict-rules": "^1.5.2",
-    "phpunit/phpunit": "^10.5.8",
+    "phpunit/phpunit": "^10.5.9",
     "rector/rector": "^0.19"
   },
   "provide": {