Bump PHp Unit

Author: cleptric

.github/workflows/tests.yaml

@@ -86,7 +86,7 @@ jobs:
         run: echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"
 
       - name: Update PHPUnit
-        run: composer require --dev phpunit/phpunit ^9.3.9 --no-update
+        run: composer require --dev phpunit/phpunit ^9.5 --no-update
         if: matrix.php == '8.0' && matrix.dependencies == 'lowest'
 
       # These dependencies are not used running the tests but can cause deprecation warnings so we remove them before running the tests

composer.json

@@ -36,7 +36,7 @@
         "phpstan/phpstan": "1.12.5",
         "phpstan/phpstan-phpunit": "1.4.0",
         "phpstan/phpstan-symfony": "1.4.10",
-        "phpunit/phpunit": "^8.5.14||^9.3.9",
+        "phpunit/phpunit": "^8.5|^9.6",
         "symfony/browser-kit": "^4.4.20||^5.0.11||^6.0||^7.0",
         "symfony/cache": "^4.4.20||^5.0.11||^6.0||^7.0",
         "symfony/dom-crawler": "^4.4.20||^5.0.11||^6.0||^7.0",