Bump Submodule/github/rest-api-description from 664cf25 to b15fded

Bumps [Submodule/github/rest-api-description](https://github.com/github/rest-api-description) from `664cf25` to `b15fded`.
- [Release notes](https://github.com/github/rest-api-description/releases)
- [Commits](github/rest-api-description@664cf25...b15fded)

---
updated-dependencies:
- dependency-name: Submodule/github/rest-api-description
  dependency-version: b15fded1fc5fc6dcd68dd0425385625ee2e819a4
  dependency-type: direct:production
...

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

Author: dependabot[bot]