Bump lib/CPP_ROI from 65697cc to 644797d (#1150)

Bumps [lib/CPP_ROI](https://github.com/cpp-lln-lab/CPP_ROI) from `65697cc` to `644797d`.
- [Release notes](https://github.com/cpp-lln-lab/CPP_ROI/releases)
- [Commits](cpp-lln-lab/CPP_ROI@65697cc...644797d)

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

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