fix broken form validation on emails

apps/web/src/server/public-api/schemas/email-schema.ts

@@ -5,7 +5,7 @@ import { z } from "@hono/zod-openapi";
  */
 export const emailSchema = z
   .object({
-    to: z.string().email().or(z.array(z.string().email())),
+    to: z.string().or(z.array(z.string())),
     from: z.string().email(),
     subject: z.string().min(1).optional().openapi({
       description: "Optional when templateId is provided",