[TypeSpec] Generate SDK for TypeSpec project specification/deviceregistry/DeviceRegistry.Management

## SDK generate request for TypeSpec project specification/deviceregistry/DeviceRegistry.Management

Request to generate SDK by Copilot. **Do not release SDK**
SDK will be released later by service owner.

**Release Plan**: [2144](https://web.powerapps.com/apps/821ab569-ae60-420d-8264-d7b5d5ef734c?release-plan-id=7bc26bac-ef29-f111-8341-000d3a376cbb)
**TypeSpec project path**: specification/deviceregistry/DeviceRegistry.Management
**API spec pull request link**: [https://github.com/Azure/azure-rest-api-specs/pull/39690](https://github.com/Azure/azure-rest-api-specs/pull/39690)
**SDK release type**: Beta
**API spec version**: 2026-03-01-preview
**Spec Type**: TypeSpec
**Language**: Python,.NET,JavaScript,Go,Java
**Release plan work item ID**: 33628

**Contacts**:
suatiskender

**Notes**:
SDK is generated by GitHub agent workflow

Generate SDK for the TypeSpec project and update the generated SDK details in the release plan using release plan work item. Generate a summary and update it back in the linked GitHub issue once SDK pull requests are generated.

Start with the TypeSpec project at specification/deviceregistry/DeviceRegistry.Management and review the API specification pull request 39690, then identify the GitHub agent workflow used for SDK generation. Generate the Python, .NET, JavaScript, Go, and Java SDKs without releasing them, create the resulting SDK pull requests, and update release plan work item 33628 with the SDK details and summary.

Written by the indexing model from the issue text.