fix(tests): update mock definition in ResourceTest for type hinting

Author: sampoyigi

phpstan-baseline.neon

@@ -243,7 +243,7 @@ parameters:
 		-
 			message: '#^Unsafe usage of new static\(\)\.$#'
 			identifier: new.static
-			count: 3
+			count: 5
 			path: src/Models/Resource.php
 
 		-

tests/Models/ResourceTest.php

@@ -43,7 +43,7 @@ public function testGet()
 });
 
 it('syncs all resources correctly', function(): void {
-    app()->instance(ExtensionManager::class, mock(ExtensionManager::class, function($mock) {
+    app()->instance(ExtensionManager::class, mock(ExtensionManager::class, function($mock): void {
         $mock->shouldReceive('getRegistrationMethodValues')
             ->with('registerApiResources')
             ->andReturn([