[DO NOT MERGE/REVIEW] Update aks upgrade command to support tier switch

[wenxuan0923]

---

This checklist is used to make sure that common guidelines for a pull request are followed.

Related command

General Guidelines

• 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

For new extensions:

• My extension description/summary conforms to the Extension Summary Guidelines.

About Extension Publish

There is a pipeline to automatically build, upload and publish extension wheels.
Once your pull request is merged into main branch, a new pull request will be created to update src/index.json automatically.
You only need to update the version information in file setup.py and historical information in file HISTORY.rst in your PR but do not modify src/index.json.

[azure-client-tools-bot-prd]

⚠️Azure CLI Extensions Breaking Change Test

⚠️aks-preview

rule	cmd_name	rule_message	suggest_message
⚠️ 1006 - ParaAdd	aks upgrade	cmd aks upgrade added parameter k8s_support_plan
⚠️ 1006 - ParaAdd	aks upgrade	cmd aks upgrade added parameter tier

[azure-client-tools-bot-prd]

Hi @wenxuan0923,
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]

DO NOT MERGE

[github-actions]

⚠️ Release Suggestions

Module: aks-preview

• Update VERSION to 5.0.0b4 in src/aks-preview/setup.py

Notes

• Stable/preview tag is inherited from last release. If needed, please add stable/preview label to modify it.
• Major/minor/patch/pre increment of version number is calculated by pull request code changes automatically. If needed, please add major/minor/patch/pre label to adjust it.
• For more info about extension versioning, please refer to Extension version schema

[Zijian09]

Hi team, I noticed this was closed. May I know is this merge "Update aks upgrade command to support tier switch" on the calendar? If is, may I know when this merge could happen roughly? Thanks a ton!