Bump tools/bids-specification from f9cfafa to 2d0c111 (#353)

Bumps [tools/bids-specification](https://github.com/bids-standard/bids-specification) from `f9cfafa` to `2d0c111`.
- [Release notes](https://github.com/bids-standard/bids-specification/releases)
- [Commits](bids-standard/bids-specification@f9cfafa...2d0c111)

---
updated-dependencies:
- dependency-name: tools/bids-specification
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>