[connectedk8s] Add checks for the Graytown bundle feature flag in the connectedk8s extension

[SherryPuffs]

• Add checks for the Graytown bundle feature flag in the 'connectedk8s connect' and 'connectedk8s update' commands.
• Display a more detailed error message from the agent-update-validator in the 'connectedk8s upgrade' command.

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• Have you run azdev style <YOUR_EXT> locally? (pip install azdev required)
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[azure-client-tools-bot-prd]

Validation for Breaking Change Starting...

Thanks for your contribution!

[azure-client-tools-bot-prd]

Hi @SherryPuffs,
Please write the description of changes which can be perceived by customers into HISTORY.rst.
If you want to release a new extension version, please update the version in setup.py as well.

[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).
After that please run the following commands to enable git hooks:

pip install azdev --upgrade
azdev setup -c <your azure-cli repo path> -r <your azure-cli-extensions repo path>

[github-actions]

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

[Copilot]

Pull Request Overview

This PR adds feature flag checks for the Graytown bundle in the connectedk8s extension, updating the connect, update, and upgrade commands. Key changes include a version bump to 1.10.8, new tests to validate the bundle feature flag behavior, and additional validations and error messages in the custom command module.

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/connectedk8s/setup.py	Updates the extension version from 1.10.7 to 1.10.8
src/connectedk8s/azext_connectedk8s/tests/latest/test_connectedk8s_scenario.py	Adds tests checking different bundle feature flag values and behaviors
src/connectedk8s/azext_connectedk8s/custom.py	Introduces functions to validate and update the bundle feature flag
src/connectedk8s/azext_connectedk8s/clientproxyhelper/_proxylogic.py	Corrects type reference by replacing CLICommmand with CLICommand
src/connectedk8s/azext_connectedk8s/_constants.py	Adds new constants related to the bundle feature flag
src/connectedk8s/HISTORY.rst	Updates release history for version 1.10.8