**BREAKING CHANGE:**
This bumps the **minimum required Next.js** version from 15.0.0 to
15.2.3. This update is necessary due to a critical security
vulnerability found in earlier Next.js versions, which requires an
exception to our standard semantic versioning process.
Additionally, this bumps all templates to the latest Next.js and Payload
versions.
### What?
Migrates the `live-preview` example to payload `3.0`.
`Updates`:
- `live-preview/payload` now has a next app directly along side payload.
- Removes `live-preview/next-app` & `live-preview/next-pages` example
front-ends and only uses new recommended approach (i.e admin panel &
front-end on the same port - `3000`)