{AKS} Fix #8907: Remove deprecated pkg_resources declare namespace

[FumingZhang]

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{AKS} Fix #8907: Remove deprecated pkg_resources declare namespace

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• Have you run azdev style <YOUR_EXT> locally? (pip install azdev required)
• Have you run python scripts/ci/test_index.py -q locally? (pip install wheel==0.30.0 required)
• My extension version conforms to the Extension version schema

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[azure-client-tools-bot-prd]

️✔️Azure CLI Extensions Breaking Change Test

️✔️Non Breaking Changes

[yonzhan]

Thank you for your contribution! We will review the pull request and get back to you soon.

[github-actions]

The git hooks are available for azure-cli and azure-cli-extensions repos. They could help you run required checks before creating the PR.

Please sync the latest code with latest dev branch (for azure-cli) or main branch (for azure-cli-extensions).
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[Copilot]

Pull Request Overview

This PR removes a deprecated namespace declaration from the vendored SDK, bumps the extension version, and adds a history entry to reflect the change.

• Bump version to 18.0.0b16 in setup.py
• Remove pkg_resources.declare_namespace call from vendored_sdks/__init__.py
• Update HISTORY.rst with a new 18.0.0b16 entry

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
src/aks-preview/setup.py	Version updated from 18.0.0b15 to 18.0.0b16
src/aks-preview/azext_aks_preview/vendored_sdks/init.py	Removed deprecated namespace declaration
src/aks-preview/HISTORY.rst	Added new version header and change note

Comments suppressed due to low confidence (1)

[github-actions]

• For more info about extension versioning, please refer to Extension version schema

[azclibot]

[Release] Update index.json for extension [ aks-preview-18.0.0b17 ] : https://dev.azure.com/msazure/One/_build/results?buildId=129214573&view=results