Bump lib/CPP_ROI from b3cd282 to ba2ba6d (#1300)

Bumps [lib/CPP_ROI](https://github.com/cpp-lln-lab/CPP_ROI) from `b3cd282` to `ba2ba6d`.
- [Release notes](https://github.com/cpp-lln-lab/CPP_ROI/releases)
- [Commits](cpp-lln-lab/CPP_ROI@b3cd282...ba2ba6d)

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

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