next.js

bfed3985 - fix: show error for api route handler with `output: export` (#47219)

fix: show error for api route handler with `output: export` (#47219) In the case when the user configured `output: export` and used an API Route Handler that cannot be converted to static, Next.js must throw an error. fix NEXT-823 ([link](https://linear.app/vercel/issue/NEXT-823))