build(deps): bump submodules/rest-api-specs from 709b04c to d96c413

Bumps [submodules/rest-api-specs](https://github.com/Azure/azure-rest-api-specs) from `709b04c` to `d96c413`.
- [Release notes](https://github.com/Azure/azure-rest-api-specs/releases)
- [Commits](Azure/azure-rest-api-specs@709b04c...d96c413)

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

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