chore(deps): Bump the azure group with 4 updates

Bumps the azure group with 4 updates: [azure_core](https://github.com/azure/azure-sdk-for-rust), [azure_identity](https://github.com/azure/azure-sdk-for-rust), [azure_storage](https://github.com/azure/azure-sdk-for-rust) and [azure_storage_blobs](https://github.com/azure/azure-sdk-for-rust).


Updates `azure_core` from 0.17.0 to 0.21.0
- [Release notes](https://github.com/azure/azure-sdk-for-rust/releases)
- [Changelog](https://github.com/Azure/azure-sdk-for-rust/blob/main/HISTORY.md)
- [Commits](https://github.com/azure/azure-sdk-for-rust/commits/azure_core-0.21.0)

Updates `azure_identity` from 0.17.0 to 0.21.0
- [Release notes](https://github.com/azure/azure-sdk-for-rust/releases)
- [Changelog](https://github.com/Azure/azure-sdk-for-rust/blob/main/HISTORY.md)
- [Commits](https://github.com/azure/azure-sdk-for-rust/commits/azure_identity-0.21.0)

Updates `azure_storage` from 0.17.0 to 0.21.0
- [Release notes](https://github.com/azure/azure-sdk-for-rust/releases)
- [Changelog](https://github.com/Azure/azure-sdk-for-rust/blob/main/HISTORY.md)
- [Commits](https://github.com/azure/azure-sdk-for-rust/commits/azure_storage-0.21.0)

Updates `azure_storage_blobs` from 0.17.0 to 0.21.0
- [Release notes](https://github.com/azure/azure-sdk-for-rust/releases)
- [Changelog](https://github.com/Azure/azure-sdk-for-rust/blob/main/HISTORY.md)
- [Commits](https://github.com/azure/azure-sdk-for-rust/commits/azure_storage_blobs-0.21.0)

---
updated-dependencies:
- dependency-name: azure_core
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: azure
- dependency-name: azure_identity
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: azure
- dependency-name: azure_storage
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: azure
- dependency-name: azure_storage_blobs
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: azure
...

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