Bumps [github.com/Azure/go-autorest/autorest/azure/auth](https://github.com/Azure/go-autorest) from 0.5.8 to 0.5.9.
- [Release notes](https://github.com/Azure/go-autorest/releases)
- [Changelog](https://github.com/Azure/go-autorest/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Azure/go-autorest/compare/autorest/azure/auth/v0.5.8...autorest/azure/auth/v0.5.9)

---
updated-dependencies:
- dependency-name: github.com/Azure/go-autorest/autorest/azure/auth
  dependency-type: direct:production
  update-type: version-update:semver-patch
...
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