Bump autorest from 3.7.2 to 3.8.0

Bumps [autorest](https://github.com/Azure/autorest) from 3.7.2 to 3.8.0.
- [Release notes](https://github.com/Azure/autorest/releases)
- [Commits](https://github.com/Azure/autorest/commits)

---
updated-dependencies:
- dependency-name: autorest
  dependency-version: 3.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]