[azd.ai.toolboxs] allow azd deploy to skip deploying a new toolbox version

[huimiu]

Summary

Track and implement the ability for azd deploy to skip deploying a new toolbox version when one is already present and up-to-date.

Motivation

Currently, azd deploy always deploys the toolbox version as part of the deployment process. There should be a mechanism to skip this step when the existing toolbox version satisfies the requirements, reducing unnecessary deployment time and resource usage.

Proposed Behavior

• When running azd deploy, detect whether the currently deployed toolbox version is already at the desired version.
• If the version matches (or satisfies a version constraint), skip the toolbox deployment step.
• Provide a flag or configuration option (e.g., --skip-toolbox-update) to explicitly opt in/out of this behavior.

Acceptance Criteria

• Detect the currently deployed toolbox version before deploying.
• Skip toolbox deployment when the version is already current.
• Expose a flag or config to control the skip behavior.
• Add unit/integration tests covering the skip logic.
• Update documentation and help text as needed.

Notes

• Consider CI/CD scenarios where users want deterministic, idempotent deployments.
• Ensure --no-prompt / non-interactive mode works correctly with the skip logic.