chore: upgrade phpunit to 12.5

tests/Security/RequiredCheck/MealPreferenceRequiredCheckTest.php

@@ -19,9 +19,7 @@ class MealPreferenceRequiredCheckTest extends TestCase
         $this->check = new MealPreferenceRequiredCheck();
     }
 
-    /**
-     * @dataProvider mixedRoleProvider
-     */
+    #[\PHPUnit\Framework\Attributes\DataProvider('mixedRoleProvider')]
     public function testDoesNotApplyToExcludedMixedRoleUsersWithTeamerRole(string $excludedRole): void
     {
         $user = $this->createTeamerUser();
@@ -30,7 +28,7 @@ class MealPreferenceRequiredCheckTest extends TestCase
         $this->assertFalse($this->check->appliesTo($user));
     }
 
-    public function mixedRoleProvider(): array
+    public static function mixedRoleProvider(): array
     {
         return [
             ['ROLE_TEAM_ADMIN'],