Fix replaceAll usage in post-process (#42714)
Similar to https://github.com/vercel/next.js/pull/42550
Fixes:
https://dev.azure.com/nextjs/next.js/_build/results?buildId=43629&view=logs&jobId=14d0eb3f-bc66-5450-3353-28256327ad6c
x-ref: https://github.com/vercel/next.js/pull/42495
## Bug
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
