deps(deps-dev): update phpstan/phpstan requirement from 2.2.5 to 2.2.6 in the composer group (#7551)

* deps(deps-dev): update phpstan/phpstan requirement in the composer group

Updates the requirements on [phpstan/phpstan](https://github.com/phpstan/phpstan-phar-composer-source) to permit the latest version.

Updates `phpstan/phpstan` to 2.2.6
- [Commits](https://github.com/phpstan/phpstan-phar-composer-source/commits)

---
updated-dependencies:
- dependency-name: phpstan/phpstan
  dependency-version: 2.2.6
  dependency-type: direct:development
  dependency-group: composer
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update phpstan version to 2.2.8

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Thomas Vincent <thomasvincent@gmail.com>
Co-authored-by: TheWitness <thewitness@cacti.net>

composer.json

@@ -67,7 +67,7 @@
         "overtrue/phplint": "^9.6",
         "pestphp/pest": "^2",
         "pestphp/pest-plugin-drift": "^2.0",
-        "phpstan/phpstan": "2.2.5",
+        "phpstan/phpstan": "2.2.8",
         "rector/rector": "^2.1.2"
     },
     "scripts": {