Bump brace-expansion from 1.1.11 to 1.1.12 in /specification (#4532)

Bumps [brace-expansion](https://github.com/juliangruber/brace-expansion) from 1.1.11 to 1.1.12.
- [Release notes](https://github.com/juliangruber/brace-expansion/releases)
- [Commits](juliangruber/brace-expansion@1.1.11...v1.1.12)

---
updated-dependencies:
- dependency-name: brace-expansion
  dependency-version: 1.1.12
  dependency-type: indirect
...

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

Author: dependabot[bot]