Bump Submodule/github/rest-api-description from 31cc3f6 to bf4af7c

Bumps [Submodule/github/rest-api-description](https://github.com/github/rest-api-description) from `31cc3f6` to `bf4af7c`.
- [Release notes](https://github.com/github/rest-api-description/releases)
- [Commits](github/rest-api-description@31cc3f6...bf4af7c)

---
updated-dependencies:
- dependency-name: Submodule/github/rest-api-description
  dependency-version: bf4af7c248a68067f570e103053a01b1c9725a92
  dependency-type: direct:production
...

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

Author: dependabot[bot]