Bump Submodule/github/rest-api-description from 4cfaefc to c8a0850

Bumps [Submodule/github/rest-api-description](https://github.com/github/rest-api-description) from `4cfaefc` to `c8a0850`.
- [Release notes](https://github.com/github/rest-api-description/releases)
- [Commits](github/rest-api-description@4cfaefc...c8a0850)

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

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

Author: dependabot[bot]