feat: 新增支付宝APP同步回调验签

[suyar]

支付宝同步通知验证

补充了下支付宝同步回调通知验证插件 AppCallbackPlugin：

// 服务端接收的APP同步回调参数结构
$appCallbackParams = [
    'alipay_trade_app_pay_response' => [
        'code' => '10000',
        'msg' => 'Success',
        'order_id' => '20231220110070000002150000657610',
        'out_biz_no' => '2023122022560000',
        'pay_date' => '2023-12-20 22:56:33',
        'pay_fund_order_id' => '20231220110070001502150000660902',
        'status' => 'SUCCESS',
        'trans_amount' => '0.01',
    ],
    'sign' => 'eITxP5fZiJPB2+vZb90IRkv2iARxeNx/6Omxk7FStqflhG5lMoCvGjo2FZ6Szo1bGBMBReazZuqLaqsgomWAUO9onMVurB3enLbRvwUlpE7XEZaxk/sJYjgc2Y7pIAenvnLL9PEAiXmvUvuinUlvS9J2r1XysC0p/2wu7kEJ/GgZpFDIIYY9mdM6U1rGbi+RvirQXtQHmaEuuJWLA75NR1bvfG3L8znzW9xz1kOQqOWsQmD/bF1CDWbozNLwLCUmClRJz0Fj4mUYRF0zbW2VP8ZgHu1YvVKJ2+dWC9b+0o94URk7psIpc5NjiOM9Jsn6aoC2CfrJ/sqFMRCkYWzw6A==',
    'sign_type' => 'RSA2',
];

// 如需指定租户，可以手动对结构增加以下项目
// $appCallbackParams['_config'] = 'default';

$result = Pay::alipay()->appCallback($appCallbackParams);

// or

$result = Pay::alipay()->pay([AppCallbackPlugin::class], $appCallbackParams);

[netlify]

✅ Deploy Preview for pay-yansongda ready!

Name	Link
🔨 Latest commit	8977432
🔍 Latest deploy log	https://app.netlify.com/sites/pay-yansongda/deploys/67a8c3edb667340008d652f8
😎 Deploy Preview	https://deploy-preview-1061--pay-yansongda.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[yansongda]

然后，麻烦单测帮忙改一下

[suyar]

然后，麻烦单测帮忙改一下

单测修复了。

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.49%. Comparing base (522f6cb) to head (8977432).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #1061   +/-   ##
=========================================
  Coverage     97.49%   97.49%           
- Complexity     1066     1068    +2     
=========================================
  Files           382      383    +1     
  Lines          7026     7039   +13     
=========================================
+ Hits           6850     6863   +13     
  Misses          176      176           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.