Merge pull request #1046 from josbeir/5.x

Fixes tests + badge

Author: ADmad

README.md

@@ -1,5 +1,5 @@
 # CakePHP DebugKit
-![Build Status](https://github.com/cakephp/debug_kit/actions/workflows/ci.yml/badge.svg?branch=master)
+[![CI](https://github.com/cakephp/debug_kit/actions/workflows/ci.yml/badge.svg)](https://github.com/cakephp/debug_kit/actions/workflows/ci.yml)
 [![Coverage Status](https://img.shields.io/codecov/c/github/cakephp/debug_kit.svg?style=flat-square)](https://codecov.io/github/cakephp/debug_kit)
 [![License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE.txt)
 [![Total Downloads](https://img.shields.io/packagist/dt/cakephp/cakephp.svg?style=flat-square)](https://packagist.org/packages/cakephp/debug_kit)

tests/TestCase/Middleware/DebugKitMiddlewareTest.php

@@ -42,7 +42,7 @@ class DebugKitMiddlewareTest extends TestCase
         'plugin.DebugKit.Panels',
     ];
 
-    protected ?array $oldConfig;
+    protected ?array $oldConfig = null;
 
     /**
      * @var bool