fix: quota check script with dynamic region handling

[Priyanka-Microsoft]

Add the variable AZURE_REGIONS with the value: northcentralus, eastus2, westus.

Purpose

• ...
  This pull request includes changes to the CI workflow and the checkquota.sh script to improve the handling of Azure regions and environment variables. The most important changes are as follows:

CI Workflow Updates:

• .github/workflows/ci.yml: Updated the GPT_MIN_CAPACITY environment variable to a lower value and added a new environment variable AZURE_REGIONS to the workflow.

Script Enhancements:

• scripts/checkquota.sh: Modified the script to read the AZURE_REGIONS environment variable and split it into an array of regions using the IFS and read commands.
• scripts/checkquota.sh: Updated the environment variable validation to include a check for the REGIONS variable.

Does this introduce a breaking change?

No

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install

• Test the code

What to Check

Verify that the following are valid

• ...

Other Information