fix(medusa): Fix request type in upload route (#7271)

The `/admin/uploads` route uses an incorrect input type `CreateProductDTO`. This PR fixes it to the type defined in `validators.ts`.

.changeset/early-badgers-complain.md

@@ -0,0 +1,5 @@
+---
+"@medusajs/medusa": patch
+---
+
+fix(medusa): Fix request type in upload route

packages/medusa/src/api-v2/admin/uploads/route.ts

@@ -1,13 +1,13 @@
 import { uploadFilesWorkflow } from "@medusajs/core-flows"
-import { CreateProductDTO } from "@medusajs/types"
 import {
   AuthenticatedMedusaRequest,
   MedusaResponse,
 } from "../../../types/routing"
 import { MedusaError } from "@medusajs/utils"
+import { AdminGetUploadParamsType } from "./validators"
 
 export const POST = async (
-  req: AuthenticatedMedusaRequest<CreateProductDTO>,
+  req: AuthenticatedMedusaRequest<AdminGetUploadParamsType>,
   res: MedusaResponse
 ) => {
   const input = req.files as Express.Multer.File[]