fix: package lock fingerprint

tests/Helpers/Helper.php

@@ -1,6 +1,6 @@
 <?php
 
-function myDirectoryAssertTrue($value)
+function myDirectoryAssertTrue($value): void
 {
     test()->assertTrue($value);
 }

tests/Helpers/TestInHelpers.php

@@ -1,5 +1,7 @@
 <?php
 
-it('executes tests in the Helpers directory', function () {
+declare(strict_types=1);
+
+it('executes tests in the Helpers directory', function (): void {
     expect(true)->toBeTrue();
 });