Bump spec_tests/hed-specification from 32b3eb2 to 6182ab9

Bumps [spec_tests/hed-specification](https://github.com/hed-standard/hed-specification) from `32b3eb2` to `6182ab9`.
- [Release notes](https://github.com/hed-standard/hed-specification/releases)
- [Commits](hed-standard/hed-specification@32b3eb2...6182ab9)

---
updated-dependencies:
- dependency-name: spec_tests/hed-specification
  dependency-type: direct:production
...

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