[Storage] set_legal_hold for BlobClient

[vincenttran-msft]

• .tsp: [Storage] set_legal_hold for BlobClient TypeSpec Changes azure-rest-api-specs#38817

This test does the following:

• Adds set_legal_hold API to BlobClient
• Adds a way to specify "playback only" in Azure Core test macros

SetLegalHold:

/// * date() - Date REMOVED
/// * legal_hold() - x-ms-legal-hold REMOVED

• Changelog Entry

[github-actions]

API Change Check

APIView identified API level changes in this PR and created the following API reviews

azure_storage_blob

[Copilot]

Pull Request Overview

This PR adds support for the set_legal_hold API to BlobClient and introduces a "playback only" option for test macros to support tests that can only run in playback mode.

Key Changes:

• Adds set_legal_hold() method to BlobClient for setting or removing legal holds on blobs
• Implements #[recorded::test(playback)] attribute for tests that should only run during playback
• Updates TypeSpec commit reference to include the latest blob storage API specifications

Reviewed Changes

Copilot reviewed 7 out of 12 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
sdk/storage/azure_storage_blob/tsp-location.yaml	Updates TypeSpec commit reference to newer version
sdk/storage/azure_storage_blob/tests/blob_client.rs	Adds comprehensive test for set_legal_hold API marked as playback-only
sdk/storage/azure_storage_blob/src/models/mod.rs	Updates public exports to include BlobClientSetLegalHoldOptions
sdk/storage/azure_storage_blob/src/generated/models/pub_models.rs	Removes unused result types and changes AccessPolicy date fields from OffsetDateTime to String
sdk/storage/azure_storage_blob/src/generated/models/models_impl.rs	Adds TryFrom implementation for SignedIdentifiers to support XML serialization
sdk/storage/azure_storage_blob/src/generated/models/header_traits.rs	Removes header traits for deleted result types and refactors SignedIdentifier handling
sdk/storage/azure_storage_blob/src/generated/clients/blob_container_client.rs	Updates get_access_policy and set_access_policy to use SignedIdentifiers wrapper type
sdk/storage/azure_storage_blob/src/generated/clients/blob_client.rs	Updates set_legal_hold to return Response<(), NoFormat> instead of custom result type
sdk/storage/azure_storage_blob/src/clients/blob_client.rs	Adds public set_legal_hold method to non-generated BlobClient wrapper
sdk/storage/azure_storage_blob/assets.json	Updates test asset tag reference
sdk/storage/azure_storage_blob/CHANGELOG.md	Documents addition of set_legal_hold API
sdk/core/azure_core_test_macros/src/test.rs	Implements playback-only test functionality with validation and tests