feat(发票): 为发送发票接口添加可选邮箱参数

在发送发票接口中添加可选的邮箱参数，允许指定接收发票的邮箱地址。当不指定邮箱时，保持原有行为不变。

src/Domain/Invoice/Repository/InvoiceRepoInterface.php

@@ -1,4 +1,5 @@
 <?php
+
 /**
  * InvoiceRepoInterface.php@Pay
  *
@@ -33,10 +34,11 @@ interface InvoiceRepoInterface
 
     /**
      * @param string $invoiceNo
+     * @param string|null $email
      * @return void
      * @throws GuzzleException
      */
-    public function send(string $invoiceNo): void;
+    public function send(string $invoiceNo, ?string $email): void;
 
     /**
      * @param string $invoiceNo

src/Infrastructure/Repository/InvoiceRepo.php

@@ -85,12 +85,17 @@ final class InvoiceRepo extends AbstractRepo implements InvoiceRepoInterface
     /**
      * @inheritDoc
      */
-    public function send(string $invoiceNo): void
+    public function send(string $invoiceNo, ?string $email): void
     {
         if (empty($invoiceNo)) {
             throw new ValidateException(message: 'invoice no is required.');
         }
-        $this->requestService->requestGet(url: "/rpc/v2/invoice/invoices/$invoiceNo/email");
+        $this->requestService->requestGet(
+            url: "/rpc/v2/invoice/invoices/$invoiceNo/email",
+            data: [
+                'email' => $email,
+            ],
+        );
     }
 
     /**