Typescript 5 decorators do not build

Verify canary release

• I verified that the issue exists in the latest Next.js canary release

Provide environment information

Operating System:
      Platform: darwin
      Arch: arm64
      Version: Darwin Kernel Version 22.3.0: Mon Jan 30 20:39:46 PST 2023; root:xnu-8792.81.3~2/RELEASE_ARM64_T6020
    Binaries:
      Node: 19.7.0
      npm: 9.5.0
      Yarn: 1.22.19
      pnpm: N/A
    Relevant packages:
      next: 13.3.1-canary.6
      eslint-config-next: N/A
      react: 18.2.0
      react-dom: 18.2.0

Which area(s) of Next.js are affected? (leave empty if unsure)

SWC transpilation

Link to the code that reproduces this issue

https://github.com/austinlogo/nextjs-typescript-5

To Reproduce

Install and build as normal you should see an error in building types.

When you use the experimental flags in the tsconfig.json

Describe the Bug

This build Error

./src/pages/api/hello.ts
Error:
  × Unexpected token `@`. Expected identifier, string literal, numeric literal or [ for the computed key
    ╭─[/Users/logo/workspaces/scratch/ts5/test-types/src/pages/api/hello.ts:23:1]
 23 │ }
 24 │
 25 │ class Test {
 26 │   @loggedMethod
    ·   ─
 27 │   myMethod() {
 28 │     return "hello";
 29 │   }
    ╰────

Expected Behavior

I would expect it to build.

Which browser are you using? (if relevant)

No response

How are you deploying your application? (if relevant)

No response

_NEXT-1559