chore: add gh action to ensure deployment success for every PR

[vishnu-narayanan]

Pull Request Template

Description

• Add GitHub action to ensure every PR is successfully deployed

Changelog

• curl the deployment URL with /api endpoint
• check if it returns a json matching the expected structure

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

• Tests via gh action

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented on my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[github-actions]

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