Revert "build: Update `swc_core` to `v23.2.0`" (#78935)
Reverts vercel/next.js#78885
This appears to be causing x86_64-apple-darwin failures
[x-ref](https://github.com/vercel/next.js/actions/runs/14889669522/job/41819546223)
[x-ref](https://github.com/vercel/next.js/actions/runs/14893611987/job/41831388104)