[AutoRelease] t2-datamigration-2025-08-27-38453(can only be merged by SDK owner)

[azure-sdk]

https://github.com/Azure/sdk-release-request/issues/6504
Recording test success
https://dev.azure.com/azure-sdk/internal/_build?definitionId=989

[azure-sdk]

issue link:https://github.com/Azure/sdk-release-request/issues/6504

[Copilot]

Pull Request Overview

This is an auto-release PR that promotes the azure-mgmt-datamigration SDK from preview to stable, updating the API version from "2025-03-15-preview" to "2025-06-30" and marking the package as production-ready.

Key changes:

• Updates API version from "2025-03-15-preview" to "2025-06-30" across all operations
• Changes package status from Beta to Production/Stable in setup.py
• Adds Python 3.13 support and updates dependency versions
• Migrates packaging configuration from sdk_packaging.toml to pyproject.toml
• Adds new delete operations for database migrations in SQL VM and SQL MI

Reviewed Changes

Copilot reviewed 147 out of 147 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
setup.py	Updates package classifier to Production/Stable, adds Python 3.13 support, updates azure-mgmt-core dependency
pyproject.toml	Moves packaging configuration from sdk_packaging.toml with is_stable=true
sdk_packaging.toml	Removes old packaging configuration (deleted file)
Operations files	Updates API version from "2025-03-15-preview" to "2025-06-30" across all operations
Test files	Updates API version in generated test files to match new stable version
Sample files	Updates API version and file references in code samples
Database migration operations	Adds new delete functionality for SQL VM and SQL MI database migrations