[az][load] support for autostop criteria

[mbhardwaj-msft]

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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

⚠️load

rule	cmd_name	rule_message	suggest_message
⚠️ 1006 - ParaAdd	load test create	cmd load test create added parameter autostop_error_rate_time_window
⚠️ 1006 - ParaAdd	load test create	cmd load test create added parameter autostop_error_rate
⚠️ 1006 - ParaAdd	load test create	cmd load test create added parameter autostop
⚠️ 1006 - ParaAdd	load test update	cmd load test update added parameter autostop_error_rate_time_window
⚠️ 1006 - ParaAdd	load test update	cmd load test update added parameter autostop_error_rate
⚠️ 1006 - ParaAdd	load test update	cmd load test update added parameter autostop

[azure-client-tools-bot-prd]

Hi @mbhardwaj-msft,
Since the current milestone time is less than 7 days, this pr may not catch up with this release.

[azure-client-tools-bot-prd]

Hi @mbhardwaj-msft,
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]

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[github-actions]

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