Create simple postman collection for Alert Management actions

[mjabascal10]

Describe the feature

Develop a Postman collection that provides a quick and practical way to interact with the Alert Management API.
The goal is to help developers, testers, and integrators easily perform common alert operations such as retrieving open alerts, changing alert statuses, and running custom queries against OpenSearch.

Use Case

Facilitate API testing and integration by providing an official, ready-to-use Postman collection with essential alert management actions.

Proposed Solution

Simplifies QA testing and API debugging.
Supports third-party integration and developer onboarding.
Ensures consistency when verifying alert-related API behavior across environments.

Other Information

No response

Acknowledgements

• I may be able to implement this feature request
• This feature might incur a breaking change