fix(web): remove export of handler to fix pipeline

Author: Manuel Proß

web/src/app/api/auth/[...nextauth]/route.ts

@@ -10,6 +10,6 @@ const authOptions = {
 	],
 };
 
-export const handler = NextAuth(authOptions);
+const handler = NextAuth(authOptions);
 
 export { handler as GET, handler as POST };