chore(deps): bump bids-validator/spec from f9cfafa to 0fc6c58

Bumps [bids-validator/spec](https://github.com/bids-standard/bids-specification) from `f9cfafa` to `0fc6c58`.
- [Release notes](https://github.com/bids-standard/bids-specification/releases)
- [Commits](bids-standard/bids-specification@f9cfafa...0fc6c58)

---
updated-dependencies:
- dependency-name: bids-validator/spec
  dependency-type: direct:production
...

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