fix: Updated azure.yaml file to exclude the 1.23.9 azd version

[AjitPadhi-Microsoft]

Purpose

• This pull request updates version requirements for the azd tool in both azure.yaml and azure_custom.yaml to exclude a problematic version. The change ensures that version 1.23.9 of azd is not used, likely due to a known issue with that release.

Version requirement updates:

• Updated the azd version constraint in both azure.yaml and azure_custom.yaml to require versions >=1.18.2 but explicitly exclude 1.23.9. [1] [2]

Does this introduce a breaking change?

• Yes
• No

Golden Path Validation

• I have tested the primary workflows (the "golden path") to ensure they function correctly without errors.

Deployment Validation

• I have validated the deployment process successfully and all services are running as expected with this change.

What to Check

Verify that the following are valid

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