fix: make compatible with newest rule

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

tests/php/Unit/Helper/ValidateHelperTest.php

@@ -736,18 +736,18 @@ public static function providerValidateIdentifySigners(): array {
 			],
 			'empty data structure' => [
 				[],
-				true, // should throw
-				'No signers'
+				false, // should not throw
+				''
 			],
 			'missing users key' => [
 				['someOtherKey' => 'value'],
-				true, // should throw
-				'No signers'
+				false, // should not throw
+				''
 			],
 			'empty users array' => [
 				['users' => []],
-				true, // should throw
-				'No signers'
+				false, // should not throw
+				''
 			],
 			'users not array' => [
 				['users' => 'not-an-array'],