chore: Fix phpunit deprecations (codeigniter4#9402)

* refactor: Remove unknown option

* refactor: Remove deprecated `CoversTrait`

Author: neznaika0

phpunit.xml.dist

@@ -11,7 +11,6 @@
     failOnWarning="true"
     cacheDirectory="build/.phpunit.cache">
     <coverage
-        includeUncoveredFiles="true"
         pathCoverage="false"
         ignoreDeprecatedCodeUnits="true"
         disableCodeCoverageIgnore="true">

tests/system/DebugTraceableTraitTest.php

@@ -16,13 +16,11 @@
 use CodeIgniter\Exceptions\DebugTraceableTrait;
 use CodeIgniter\Exceptions\FrameworkException;
 use CodeIgniter\Test\CIUnitTestCase;
-use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\Group;
 
 /**
  * @internal
  */
-#[CoversClass(DebugTraceableTrait::class)]
 #[Group('Others')]
 final class DebugTraceableTraitTest extends CIUnitTestCase
 {