Bumps [github.com/Azure/azure-sdk-for-go/sdk/azidentity](https://github.com/Azure/azure-sdk-for-go) from 1.8.0 to 1.8.1.
- [Release notes](https://github.com/Azure/azure-sdk-for-go/releases)
- [Changelog](https://github.com/Azure/azure-sdk-for-go/blob/main/documentation/release.md)
- [Commits](https://github.com/Azure/azure-sdk-for-go/compare/sdk/azcore/v1.8.0...sdk/azidentity/v1.8.1)

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

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