Bump lib/riksneurotools from 10ccc1f to f8b948f (cpp-lln-lab#1398)

Bumps [lib/riksneurotools](https://github.com/MRC-CBU/riksneurotools) from `10ccc1f` to `f8b948f`.
- [Commits](MRC-CBU/riksneurotools@10ccc1f...f8b948f)

---
updated-dependencies:
- dependency-name: lib/riksneurotools
  dependency-version: f8b948f0dd465a1af2deedebd050b195ec077a83
  dependency-type: direct:production
...

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