Increase sleep for flaky test

tests/e2e/Services/Account/AccountCustomClientTest.php

@@ -2227,7 +2227,7 @@ class AccountCustomClientTest extends Scope
     /**
      * @depends testUpdatePhone
      */
-    #[Retry(count: 1)]
+    #[Retry(count: 2)]
     public function testPhoneVerification(array $data): array
     {
         $session = $data['session'] ?? '';
@@ -2248,7 +2248,7 @@ class AccountCustomClientTest extends Scope
         $this->assertEmpty($response['body']['secret']);
         $this->assertEquals(true, (new DatetimeValidator())->isValid($response['body']['expire']));
 
-        \sleep(5);
+        \sleep(10);
 
         $smsRequest = $this->getLastRequest();