Bump spec_tests/hed-specification from 38a5993 to 570ae3e

Bumps [spec_tests/hed-specification](https://github.com/hed-standard/hed-specification) from `38a5993` to `570ae3e`.
- [Release notes](https://github.com/hed-standard/hed-specification/releases)
- [Commits](hed-standard/hed-specification@38a5993...570ae3e)

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

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