[Containerapp] az containerapp sessionpool create: Add GpuBase container type

[ShichaoQiu]

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[azure-client-tools-bot-prd]

⚠️Azure CLI Extensions Breaking Change Test

⚠️containerapp

rule	cmd_name	rule_message	suggest_message
⚠️ 1010 - ParaPropUpdate	containerapp sessionpool create	cmd containerapp sessionpool create update parameter container_type: updated property choices from ['CustomContainer', 'NodeLTS', 'PythonLTS'] to ['CustomContainer', 'GpuBase', 'NodeLTS', 'PythonLTS']

[azure-client-tools-bot-prd]

Hi @ShichaoQiu,
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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[Copilot]

Pull Request Overview

This PR adds support for two new container types (Shell and GpuBase) to the az containerapp sessionpool create command in the Azure Container Apps CLI extension.

Key changes:

• Extends the available container types from 3 to 5 options
• Adds comprehensive test coverage for the new container types
• Updates documentation with usage examples

Reviewed Changes

Copilot reviewed 4 out of 6 changed files in this pull request and generated 1 comment.

File	Description
_params.py	Adds Shell and GpuBase to the enum of supported container types
test_containerapp_sessionpool.py	Adds test cases for the new container types and updates the existing test method name
_help.py	Adds a usage example for the Shell container type
HISTORY.rst	Documents the new feature in the changelog

[github-actions]

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[github-actions]

Hi @ShichaoQiu

Release Suggestions

Module: containerapp

• Update VERSION to 1.2.0b4 in src/containerapp/setup.py

Notes

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

[yonzhan]

Please fix CI issues

[Greedygre]

The CI failed due to Microsoft.Storage upgrade api-version in azure-cli, I will create a PR to update this recording files.