Avoid skipping the required Test Codemods job (#49589)
A required CI check can't be skipped. Otherwise this leads to kodiak
stalling forever on these PRs:
<img width="515" alt="image"
src="https://github.com/vercel/next.js/assets/1365881/142f0f77-1fe1-445c-bdff-1cf7957ebe3e">
