chore: update worker-configuration.d.ts

Author: Doc94

worker-configuration.d.ts

@@ -1,6 +1,6 @@
 /* eslint-disable */
 // Generated by Wrangler by running `wrangler types` (hash: ad94e3d4f0b09e36a00ce199c5a61442)
-// Runtime types generated with workerd@1.20260518.1 2025-10-17 nodejs_compat
+// Runtime types generated with workerd@1.20260521.1 2025-10-17 nodejs_compat
 interface __BaseEnv_Env {
 	WEBSITE_CACHE: KVNamespace;
 	ASSETS: Fetcher;
@@ -11356,11 +11356,11 @@ interface SendEmail {
     send(message: EmailMessage): Promise<EmailSendResult>;
     send(builder: {
         from: string | EmailAddress;
-        to: string | string[];
+        to: string | EmailAddress | (string | EmailAddress)[];
         subject: string;
         replyTo?: string | EmailAddress;
-        cc?: string | string[];
-        bcc?: string | string[];
+        cc?: string | EmailAddress | (string | EmailAddress)[];
+        bcc?: string | EmailAddress | (string | EmailAddress)[];
         headers?: Record<string, string>;
         text?: string;
         html?: string;