Bump tests/specifications from 4e5d624 to c13d23b

Bumps [tests/specifications](https://github.com/mongodb/specifications) from `4e5d624` to `c13d23b`.
- [Release notes](https://github.com/mongodb/specifications/releases)
- [Commits](mongodb/specifications@4e5d624...c13d23b)

---
updated-dependencies:
- dependency-name: tests/specifications
  dependency-version: c13d23b91b422b348c54195fe1c49406fc457559
  dependency-type: direct:production
...

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

Author: dependabot[bot]