build(deps): bump submodules/rest-api-specs from 0433add to 709b04c (#4640)

Bumps [submodules/rest-api-specs](https://github.com/Azure/azure-rest-api-specs) from `0433add` to `709b04c`.
- [Release notes](https://github.com/Azure/azure-rest-api-specs/releases)
- [Commits](Azure/azure-rest-api-specs@0433add...709b04c)

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

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Author: dependabot[bot]