build(deps): bump submodules/rest-api-specs from 92c409d to `6fc313…

…e` (#4018)

Bumps [submodules/rest-api-specs](https://github.com/Azure/azure-rest-api-specs) from `92c409d` to `6fc313e`.
- [Release notes](https://github.com/Azure/azure-rest-api-specs/releases)
- [Commits](Azure/azure-rest-api-specs@92c409d...6fc313e)

---
updated-dependencies:
- dependency-name: submodules/rest-api-specs
  dependency-type: direct:production
...

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