fix: use createClerkClient for Clerk SDK v2.13.0 compatibility

Author: rui-typelets

src/middleware/auth.ts

@@ -1,6 +1,6 @@
 import { Context, Next } from "hono";
 import { HTTPException } from "hono/http-exception";
-import { verifyToken, clerkClient } from "@clerk/backend";
+import { verifyToken, createClerkClient } from "@clerk/backend";
 import { db, users, folders, type User } from "../db";
 import { eq } from "drizzle-orm";
 import { logger } from "../lib/logger";
@@ -35,6 +35,11 @@ if (!process.env.CLERK_SECRET_KEY) {
   );
 }
 
+// Create Clerk client instance
+const clerkClient = createClerkClient({
+  secretKey: process.env.CLERK_SECRET_KEY,
+});
+
 declare module "hono" {
   interface ContextVariableMap {
     userId: string;