ci: add condition to failure send notifications

[Harmanpreet-Microsoft]

Purpose

This pull request makes a minor update to the deployment workflow by ensuring that the notification step only runs when the job fails.

• Deployment workflow: Added a conditional (if: failure()) to the "Send Notification on Failure" step in .github/workflows/deploy.yml, so notifications are sent only if the job fails.* ...

Does this introduce a breaking change?

• Yes
• 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