build(deps-dev): bump phpstan/phpstan-phpunit from 2.0.7 to 2.0.8 (OpenMage#5111)

* build(deps-dev): bump phpstan/phpstan-phpunit from 2.0.7 to 2.0.8

Bumps [phpstan/phpstan-phpunit](https://github.com/phpstan/phpstan-phpunit) from 2.0.7 to 2.0.8.
- [Release notes](https://github.com/phpstan/phpstan-phpunit/releases)
- [Commits](phpstan/phpstan-phpunit@2.0.7...2.0.8)

---
updated-dependencies:
- dependency-name: phpstan/phpstan-phpunit
  dependency-version: 2.0.8
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

* update docs

* phpcsfixer

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Sven Reichel <[email protected]>

Author: dependabot[bot]

composer.lock

@@ -238,7 +238,7 @@ public function envOverridesCorrectConfigKeysDataProvider(): Generator
      * @dataProvider envAsArrayDataProvider
      * @group Helper
      *
-     * @param array<string, string> $config
+     * @param array<string, array|string> $config
      */
     public function testAsArray(array $config): void
     {
@@ -289,7 +289,7 @@ public function envAsArrayDataProvider(): Generator
      * @dataProvider envHasPathDataProvider
      * @group Helper
      *
-     * @param array<string, string> $config
+     * @param array<string, bool|string> $config
      */
     public function testHasPath(array $config): void
     {