build(deps): bump core from 5b8b5fd to 4f735fc

Bumps [core](https://github.com/espruino/EspruinoAppLoaderCore) from `5b8b5fd` to `4f735fc`.
- [Commits](espruino/EspruinoAppLoaderCore@5b8b5fd...4f735fc)

---
updated-dependencies:
- dependency-name: core
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>