Bump lib/CPP_BIDS from c76f332 to b71aceb

Bumps [lib/CPP_BIDS](https://github.com/cpp-lln-lab/CPP_BIDS) from `c76f332` to `b71aceb`.
- [Release notes](https://github.com/cpp-lln-lab/CPP_BIDS/releases)
- [Commits](cpp-lln-lab/CPP_BIDS@c76f332...b71aceb)

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

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

Author: dependabot[bot]