Bumps phpunit to 10.x (#5802)

Co-authored-by: 李铭昕 <715557344@qq.com>

Author: huangdijia

tests/FunctionsTest.php

@@ -12,6 +12,7 @@
 namespace HyperfTest\Stringable;
 
 use Hyperf\Stringable\Stringable;
+use PHPUnit\Framework\Attributes\CoversNothing;
 use PHPUnit\Framework\TestCase;
 use ReflectionClass;
 
@@ -21,6 +22,7 @@
  * @internal
  * @coversNothing
  */
+#[CoversNothing]
 class FunctionsTest extends TestCase
 {
     public function testStr()

tests/StrTest.php

@@ -13,13 +13,15 @@
 
 use Hyperf\Stringable\Str;
 use InvalidArgumentException;
+use PHPUnit\Framework\Attributes\CoversNothing;
 use PHPUnit\Framework\TestCase;
 use Ramsey\Uuid\UuidInterface;
 
 /**
  * @internal
  * @coversNothing
  */
+#[CoversNothing]
 class StrTest extends TestCase
 {
     public function testCharAt()

tests/StringableTest.php

@@ -13,12 +13,14 @@
 
 use Hyperf\Stringable\Stringable;
 use InvalidArgumentException;
+use PHPUnit\Framework\Attributes\CoversNothing;
 use PHPUnit\Framework\TestCase;
 
 /**
  * @internal
  * @coversNothing
  */
+#[CoversNothing]
 class StringableTest extends TestCase
 {
     public function testCharAt()