Bump lib/riksneurotools from 20e7205 to 41f76e8 (#1003)

Bumps [lib/riksneurotools](https://github.com/MRC-CBU/riksneurotools) from `20e7205` to `41f76e8`.
- [Release notes](https://github.com/MRC-CBU/riksneurotools/releases)
- [Commits](MRC-CBU/riksneurotools@20e7205...41f76e8)

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

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